Contents

1. Preface
2. 1860
   1. 1. Marx to Engels. After 11 January
   2. 2. Marx to Bertalan Szemere. 12 January
   3. 3. Marx to Engels. 25 January
   4. 4. Engels to Marx. 26 January
   5. 5. Marx to Engels. 28 January
   6. 6. Marx to Ferdinand Lassalle. 30 January
   7. 7. Engels to Marx. 31 January
   8. 8. Marx to Engels. 31 January
   9. 9. Marx to Bertalan Szemere. 31 January
   10. 10. Engels to Marx. / February
   11. 11. Engels to Marx. 2 February
   12. 12. Marx to Engels. 3 February
   13. 13. Marx to Joachim Lelewel. 3 February
   14. 14. Engels to Marx. 4 February
   15. 15. Marx to Engels. 4 February
   16. 16. Marx to Franz Duncker. 6 February
   17. 17. Engels to Marx. 7 February
   18. 18. Marx to Engels. 7 February
   19. 19. Marx to Ferdinand Freiligrath. 8 February
   20. 20. Marx to Engels. 9 February
   21. 21. Engels to Marx. 9 February
   22. 22. Engels to Marx. 12 February
   23. 23. Marx to J. M. Weber. 13 February
   24. 24. Marx to Engels. 13 February
   25. 25. Marx to Engels. 14 February
   26. 26. Marx to Engels. 15 February
   27. 27. Engels to Franz Duncker. 20 February
   28. 28. Engels to Ferdinand Lassalle. 20 February
   29. 29. Marx to J. M. Weber. 21 February
   30. 30. Marx to Ferdinand Freiligrath. 23 February
   31. 31. Marx to Ferdinand Lassalle. 23 February
   32. 32. Marx to J. M. Weber. 24 February
   33. 33. Marx to Wilhelm Liebknecht. 27 February
   34. 34. Marx to Karl Schapper. 27 February
   35. 35. Marx to Muzembini. 27 February
   36. 36. Marx to Ferdinand Freiligrath. 29 February
   37. 37. Marx to Ferdinand Lassalle. 3 March
   38. 38. Marx to J. M. Weber. 3 March
   39. 39. Marx to Collet Dobson Collet. 7 March
   40. 40. Marx to Bertalan Szemere. 13 March
   41. 41. Marx to Lucien Jottrand. 13 March
   42. 42. Engels to Ferdinand Lassalle. 15 March
   43. 43. Marx to J. M. Weber. 27 March
   44. 44. Marx to Bertalan Szemere. 4 April Ill 45. Engels to Marx. 8 April
   45. 46. Marx to Engels. 9 April
   46. 47. Marx to Johann Philipp Becker. 9 April
   47. 48. Marx to Ferdinand Lassalle. 9 April
   48. 49. Marx to Georg Lommel. 9 April
   49. 50. Engels to Emil Engels. 11 April
   50. 51. Marx to Engels. 12 April
   51. 52. Marx to J. M. Weber. 13 April
   52. 53. Marx to Engels. 16 April
   53. 54. Marx to M6r Perczel. 16 April
   54. 55. Marx to Engels. 17 April
   55. 56. Engels to Gottfried Ermen. 19 April
   56. 57. Marx to J. M. Weber. 21 April
   57. 58. Marx to Engels. 24 April
   58. 59. Marx to Georg Rheinländer. 24 April
   59. 60. Marx to Ferdinand Lassalle. 24 April
   60. 61. Marx to J. M. Weber. 24 April
   61. 62. Marx to Engels. 7 May
   62. 63. Engels to Marx. 7 May
   63. 64. Marx to Engels. 8 May
   64. 65. Marx to Eduard Fischel. 8 May
   65. 66. Engels to Marx. 10 May
   66. 67. Engels to Marx. 11 May
   67. 68. Marx to Carl Siebel. 15 May
   68. 69. Marx to Engels. 28 May
   69. 70. Engels to Marx. 31 May
   70. 71. Marx to Eduard Fischel. 1 June
   71. 72. Marx to Ferdinand Lassalle. About 2 June
   72. 73. Marx to Engels. 2 June
   73. 74. Marx to Bertalan Szemere. 2 June
   74. 75. Marx to Engels. 14 June
   75. 76. Marx to Engels. 16 June
   76. 77. Engels to Marx. 20 June
   77. 78. Marx to Johann Philipp Becker. 23 June
   78. 79. Engels to Marx. About 25 June
   79. 80. Marx to Engels. 25 June
   80. 81. Marx to Engels. 26 June
   81. 82. Engels to Marx. 26 June
   82. 83. Engels to Marx. 27 June
   83. 84. Marx to Engels. 28 June
   84. 85. Engels to Marx. After 28 June
   85. 86. Marx to Engels. 9 July ,
   86. 87. Marx to Engels. 17 July
   87. 88. Marx to Engels. 21 July
   88. 89. Engels to Marx. About 23 July
   89. 90. Marx to Engels. 25 July
   90. 91. Marx to Engels. 29 July
   91. 92. Engels to Marx. 1 August
   92. 93. Marx to J. M. Weber. 2 August
   93. 94. Marx to Engels. 4 August
   94. 95. Engels to Jenny Marx. 15 August
   95. 96. Marx to J. M. Weber. 20 August
   96. 97. Marx to Bertalan Szemere. 21 August
   97. 98. Marx to Engels. 27 August
   98. 99. Marx to Engels. 29 August
   99. 100. Marx to Engels. 1 September
   100. 101. Marx to Engels. After 2 September
   101. 102. Marx to Ferdinand Lassalle. 7 September
   102. 103. Marx to Engels. 13 September
   103. 104. Marx to Engels. 15 September
   104. 105. Engels to Marx. 15 September
   105. 106. Marx to Ferdinand Lassalle. 15 September .'..
   106. 107. Marx to Ferdinand Lassalle. 15 September
   107. 108. Marx to Engels. 20 September
   108. 109. Marx to Engels. 25 September
   109. 110. Engels to Marx. 1 October
   110. 111. Marx to Engels. 2 October
   111. 112. Marx to Ferdinand Lassalle. 2 October
   112. 113. Engels to Marx. 5 October
   113. 114. Marx to Engels. 11 October
   114. 115. Marx to Ferdinand Lassalle. 23 October
   115. 116. Marx to Engels. 25 October
   116. 117. Marx to Engels. 5 November
   117. 118. Marx to Ferdinand Lassalle. 5 November
   118. 119. Marx to Engels. 13 November
   119. 120. Marx to Engels. 14 November
   120. 121. Marx to Engels. 21 November
   121. 122. Marx to Bertalan Szemere. 21 November
   122. 123. Marx to Bertalan Szemere. 22 November
   123. 124. Marx to Engels. 23 November
   124. 125. Marx to Franz Duncker. 24 November
   125. 126. Marx to Engels. 26 November
   126. 127. Marx to Engels. 28 November
   127. 128. Engels to Marx. 3 December
   128. 129. Engels to Marx. 5 December
   129. 130. Marx to Engels. 5 December
   130. 131. Marx to Engels. 6 December
   131. 132. Marx to Engels. 12 December
   132. 133. Engels to Marx. 18 December
   133. 134. Marx to Engels. 18 December
   134. 135. Engels to Marx. 19 December
   135. 136. Marx to Engels. 19 December
   136. 137. Marx to Engels. 23 December :
   137. 138. Marx to Engels. 26 December
   138. 139. Marx to Engels. 27 December
3. 1861
   1. 140. Marx to Engels. 3 January
   2. 141. Marx to Carl Siebel. 3 January
   3. 142. Marx to Carl Siebel. 3 January
   4. 143. Engels to Marx. 7 January
   5. 144. Marx to Engels. 8 January
   6. 145. Marx to Engels. 10 January
   7. 146. Marx to Ferdinand Lassalle. 16 January
   8. 147. Marx to Engels. 18 January
   9. 148. Marx to Engels. 22 January
   10. 149. Marx to Ferdinand Lassalle. 28 January
   11. 150. Marx to Engels. 29 January
   12. 151. Marx to Engels. 31 January
   13. 152. Engels to Marx. 31 January
   14. 153. Marx to Engels. 2 February
   15. 154. Engels to Marx. 4 February ,
   16. 155. Engels to Marx. 6 February
   17. 156. Marx to Ferdinand Freiligrath. 7 February
   18. 157. Engels to Elisabeth Engels. 13 February
   19. 158. Marx to Engels. 14 February
   20. 159. Marx to Ferdinand Lassalle. 15 February
   21. 160. Marx to Engels. 27 February
   22. 161. Engels to Elisabeth Engels. 27 February
   23. 162. Marx to Ferdinand Lassalle. 7 March
   24. 163. Marx to Antoinette Philips. 24 March
   25. 164. Marx to Carl Siebel. 28 March
   26. 165. Marx to Carl Siebel. 2 April
   27. 166. Marx to Antoinette Philips. 13 April
   28. 167. Marx to Lion Philips. 6 May
   29. 168. Marx to Engels. 7 May
   30. 169. Marx to Ferdinand Lassalle. 8 May
   31. 170. Marx to Engels. 10 May
   32. 171. Marx to Engels. 16 May
   33. 172. Marx to Ferdinand Lassalle. 29 May
   34. 173. Marx to Engels. 10 June ;
   35. 174. Marx to Ferdinand Lassalle. 11 June
   36. 175. Engels to Marx. 12 June
   37. 176. Marx to Engels. 19 June
   38. 177. Marx to Engels. 1 July
   39. 178. Engels to Marx. 3 July
   40. 179. Marx to Engels. 5 July
   41. 180. Marx to Engels. 12 July
   42. 181. Marx to Antoinette Philips. 17 July
   43. 182. Marx to Engels. 20 July
   44. 183. Marx to Ferdinand Lassalle. 22 July
   45. 184. Marx to Engels. 3 August
   46. 185. Marx to Antoinette Philips. 24 September
   47. 186. Marx to Engels. 28 September
   48. 187. Marx to Engels. 30 October
   49. 188. Marx to Engels. 6 November
   50. 189. Marx to Watteau. 10 November
   51. 190. Marx to Engels. 18 November
   52. 191. Marx to Engels. 20 November
   53. 192. Engels to Marx. 27 November / 193. Engels to Marx. 2 December
   54. 194. Marx to Engels. 5 December
   55. 195. Marx to Engels. 9 December
   56. 196. Marx to Engels. 13 December
   57. 197. Marx to Engels. 19 December
   58. 198. Marx to Engels. 27 December
4. 1862
   1. 199. Marx to Josef Valentin Weber. 15 January
   2. 200. Marx to Engels. 25 February
   3. 201. Marx to Johann Philipp Becker. 26 February
   4. 202. Engels to Marx. 28 February
   5. 203. Marx to Engels. 3 March
   6. 204. Engels to Marx. 5 March
   7. 205. Marx to Engels. 6 March
   8. 206. Engels to Marx. About 8 March
   9. 207. Marx to Engels. 15 March
   10. 208. Marx to Engels. 28 April
   11. 209. Marx to Ferdinand Lassalle. 28 April
   12. 210. Engels to Marx. 5 May
   13. 211. Marx to Engels. 6 May
   14. 212. Engels to Marx. 12 May
   15. 213. Engels to Marx. About 18 May
   16. 214. Marx to Engels. 19 May
   17. 215. Engels to Marx. 23 May
   18. 216. Marx to Engels. 27 May
   19. 217. Engels to Marx. 29 May
   20. 218. Engels to Marx. 4 June
   21. 219. Engels to Carl Siebel. 4 June
   22. 220. Marx to Engels. About 6 June
   23. 221. Marx to Ferdinand Lassalle. 16 June
   24. 222. Marx to Engels. 18 June
   25. 223. Engels to Marx. About 3 July
   26. 224. Marx to Engels. 5 July
   27. 225. Marx to Engels. 11 July
   28. 226. Marx to Engels. 21 July
   29. 227. Engels to Ferdinand Lassalle. 23 July
   30. 228. Engels to Marx. 30 July
   31. 229. Marx to Engels. 30 July
   32. 230. Engels to Marx. 31 July
   33. 231. Engels to Marx. 1 August
   34. 232. Marx to Engels. 2 August
   35. 233. Marx to Engels. 7 August
   36. 234. Engels to Marx. 8 August
   37. 235. Marx to Engels. 9 August
   38. 236. Engels to Marx. Before 12 August
   39. 237. Engels to Marx. 13 August
   40. 238. Marx to Ferdinand Lassalle. 13 August
   41. 239. Marx to Ferdinand Lassalle. 14 August
   42. 240. Marx to Engels. 14 August
   43. 241. Marx to Wilhelm Schwarz. 19 August
   44. 242. Marx to Ferdinand Lassalle. 20 August
   45. 243. Marx to Engels. 20 August
   46. 244. Engels to Marx. 21 August
   47. 245. Engels to Ferdinand Lassalle. 21 August
   48. 246. Engels to Marx. Beginning of September
   49. 247. Engels to Marx. 9 September
   50. 248. Marx to Engels. 10 September
   51. 249. Marx to Wilhelm Wolff. 4 October
   52. 250. Engels to Marx. 16 October
   53. 251. Marx to Engels. 29 October
   54. 252. Marx to Engels. 4 November
   55. 253. Engels to Marx. 5 November
   56. 254. Marx to Ferdinand Lassalle. 7 November
   57. 255. Marx to Engels. 9 November
   58. 256. Marx to Engels. 14 November
   59. 257. Engels to Marx. 15 November
   60. 258. Marx to Engels. 17 November
   61. 259. Marx to Engels. 20 November
   62. 260. Marx to Ferdinand Freiligrath. 15 December
   63. 261. Marx to Engels. 24 December
   64. 262. Engels to Marx. 26 December
   65. 263. Marx to Ludwig Kugelmann. 28 December
   66. 264. Engels to Marx. 30 December
5. 1863
   1. 265. Marx to Engels. 2 January
   2. 266. Engels to Marx. 7 January
   3. 267. Marx to Engels. 8 January
   4. 268. Engels to Marx. 13 January
   5. 269. Marx to Engels. 24 January
   6. 270. Engels to Marx. 26 January
   7. 271. Marx to Engels. 28 January
   8. 272. Marx to Engels. 13 February
   9. 273. Marx to Engels. 17 February
   10. 274. Engels to Marx. 17 February
   11. 275. Engels to Marx. 19 February
   12. 276. Marx to Engels. 20 February
   13. 277. Engels to Marx. About 21 February
   14. 278. Marx to Engels. 21 February
   15. 279. Marx to Engels. 24 March
   16. 280. Engels to Marx. 8 April
   17. 281. Marx to Engels. 9 April
   18. 282. Marx to Engels. 18 April
   19. 283. Engels to Marx. 21 April
   20. 284. Marx to Josef Valentin Weber. 22 April
   21. 285. Engels to Marx. 20 May
   22. 286. Marx to Engels. 29 May
   23. 287. Marx to Engels. 10 June
   24. 288. Engels to Marx. 11 June
   25. 289. Marx to Engels. 12 June
   26. 290. Marx to Engels. 22 June
   27. 291. Engels to Marx. 24 June
   28. 292. Marx to Engels. 6 July
   29. 293. Marx to Engels. 15 August
   30. 294. Marx to Engels. 12 September
   31. 295. Engels to Marx. 24 November ,
   32. 296. Marx to Engels. 2 December
   33. 297. Engels to Marx. 3 December
   34. 298. Marx to Engels. 4 December
   35. 299. Marx to Jenny Marx. 15 December
   36. 300. Marx to Engels. 22 December
   37. 301. Marx to Ferdinand Freiligrath. 23 December
   38. 302. Marx to Engels. 27 December
6. 1864
   1. 303. Engels to Marx. 3 January
   2. 304. Marx to Engels. 20 January
   3. 305. Marx to Lion Philips. 20 February
   4. 306. Marx to Engels. 25 February
   5. 307. Marx to Engels. 11 March
   6. 308. Marx to Lion Philips. 29 March
   7. 309. Marx to Lion Philips. 14 April
   8. 310. Marx to Engels. 19 April
   9. 311. Engels to Marx. 29 April
   10. 312. Engels to Marx. 1 May
   11. 313. Engels to Marx. 2 May
   12. 314. Engels to Marx. 2 May ,
   13. 315. Marx to Jenny Marx. 9 May
   14. 316. Marx to Jenny Marx. lOMay
   15. 317. Marx to Jenny Marx. 13May
   16. 318. Marx to His Daughter, Jenny. 17 May
   17. 319. Engels to Hermann Engels. 24 May
   18. 320. Marx to Engels. 26 May
   19. 321. Engels to Marx. 30 May ,
   20. 322. Marx to Engels. 3 June
   21. 323. Engels to Marx. 3 June
   22. 324. Marx to Engels. 7 June
   23. 325. Engels to Marx. 9 June
   24. 326. Marx to Engels. 16 June
   25. 327. Marx to Lion Philips. 25 June
   26. 328. Marx to Engels. 1 July
   27. 329. Marx to Engels. 4 July
   28. 330. Engels to Marx. 5 July
   29. 331. Marx to Ferdinand Freiligrath. 12 July
   30. 332. Marx to Engels. 25 July
   31. 333. Marx to Lion Philips. 17 August
   32. 334. Marx to Engels. 31 August
   33. 335. Engels to Marx. 2 September
   34. 336. Marx to Engels. 2 September
   35. 337. Marx to Jenny Marx. 2September
   36. 338. Engels to Marx. 4 September
   37. 339. Marx to Engels. 7 September
   38. 340. Marx to Sophie von Hatzfeldt. 12 September
7. Appendices
   1. 1. Jenny Marx to Marx. 16 March 1860
   2. 2. Jenny Marx to Engels. 14 August 1860
   3. 3. Jenny Marx to Engels. After 5 October 1860
   4. 4. Jenny Marx to Louise Weydemeyer. 11 March 1861
   5. 5. Jenny Marx to Engels. Before 16 March 1861
   6. 6. Jenny Marx to Engels. Between 21 and 24 March 1861
   7. 7. Jenny Marx to Engels. Beginning of April 1861
   8. 8. Jenny Marx to Berta Markheim. 6 July 1863
   9. 9. Jenny Marx to Berta Markheim. 12 October 1863
   10. 10. Jenny Marx to Engels. Beginning of November 1863
   11. 11. Jenny Marx to Engels. About 24 November 1863
   12. 12. Jenny Marx to Wilhelm Liebknecht. About 24 November 1863
   13. 13. Laura Marx to Engels. 10 June 1864
   14. 14. Jenny Marx to Karl Friedrich Moritz Eisner. Middle of June 1864
8. NOTES AND INDEXES
   1. Notes
   2. Name Index
   3. Index of Quoted and Mentioned Literature
   4. Index of Periodicals
   5. Subject Index