Contents

1. Preface
2. 1880
   1. 1. Engels to Wilhelm Liebknecht. 10 January
   2. 2. Marx to Charles Walstone ( Waldstein). 26 January
   3. 3. Engels to Carl Hirsch. 17February
   4. 4. Marx to Bernhard Kraus. 26 March
   5. 5. Engels to Johann Philipp Becker. / April
   6. 6. Engels to H. Meyer. 3 April
   7. 7. Engels to August Bebel. After 27 April
   8. 8. Engels to Paul Lafargue. 4 May
   9. 9. Marx to Paul Lafargue. About 4- 5 May
   10. 10. Marx to Ferdinand Domela Nieuwenhuis. 27 June
   11. 11. Engels to Minna Gorbunova. 22 July
   12. 12. Marx to Philip Stephen King. 27 July
   13. 13. Engels to Minna Gorbunova. 2 August
   14. 14. Engels to Minna Gorbunova. 5 August
   15. 15. Marx to John Swinton. 15 August
   16. 16. Engels to Johann Philipp Becker. 17 August
   17. 17. Marx to Friedrich Adolph Sorge. 30 August
   18. 18. Engels to Laura Lafargue. 3 September
   19. 19. Engels to Paul Lafargue. 3 September
   20. 20. Engels to Paul Lafargue. 9 September
   21. 21. Marx to Nikolai Danielson. 12 September
   22. 22. Engels to Paul Lafargue. 12 September
   23. 23. Engels to Marx. 13 September
   24. 24. Marx to Ferdinand Fleckles. 29 September
   25. 25. Engels to Eugen Oswald and an Unknown Correspondent. 5 October
   26. 26. Engels to Johann Philipp Becker. 12 October
   27. 27. Engels to Harry Kaulitz. 28 October
   28. 28. Marx to John Swinton. 4 November
   29. 29. Marx to Friedrich Adolph Sorge. 5 November
   30. 30. Marx to Friedrich Adolph Sorge. 5 November
   31. 31. Marx to Ferdinand Fleckles. 12 November
   32. 32. Marx to Achille Loria. 13 November
   33. 33. Marx to Henry Mayers Hyndman. 8 December
   34. 34. Engels to Johann Philipp Becker. 24 December
   35. 35. Marx to Carl Hirsch. 29 December
3. 1881
   1. 36. Marx to Charles Longuet. 4 January . .
   2. 37. Marx to an Unknown Correspondent. 31 January
   3. 38. Engels to Karl Kautsky. 1 February
   4. 39. Engels to Eduard Bernstein. 2 February
   5. 40. Marx to Carl Pearson. 15 February
   6. 41. Marx to Nikolai Danielson. 19 February
   7. 42. Marx to Ferdinand Domela Nieuwenhuis. 22 February
   8. 43. Engels to Jenny Longuet. 24 February
   9. 44. Marx to Vera Zasulich. 8 March
   10. 45. Engels to S. F. Kaufmann. 11 March
   11. 46. Engels to Eduard Bernstein. 12 March
   12. 47. Engels to Johann Philipp Becker. 28 March
   13. 48. Engels to August Bebel. 30 March
   14. 49. Engels to Gottlieb Lemcke. 2 April
   15. 50. Engels to Johann Philipp Becker. 4 April
   16. 51. Marx to Jenny Longuet. 11 April
   17. 52. Engels to Eduard Bernstein. 14 April
   18. 53. Engels to August Bebel. 28 April
   19. 54. Marx to Jenny Longuet. 29 April
   20. 55. Engels to Jenny Longuet. 31 May
   21. 56. Marx to John Swinton. 2 June
   22. 57. Marx to Friedrich Adolph Sorge. 2 June
   23. 58. Engels to Friedrich Adolph Sorge. 2 June
   24. 59. Marx to Jenny Longuet. 6 June
   25. 60. Engels to Jenny Longuet. 17 June
   26. 61. Marx to Friedrich Adolph Sorge. 20 June
   27. 62. Marx to Henry Mayers Hyndman. 2 July
   28. 63. Engels to Marx. 7 July
   29. 64. Engels to Norris A. Clowes. 22 July
   30. 65. Marx to Jenny Longuet. 22 July
   31. 66. Marx to Engels. 27 July
   32. 67. Engels to Marx. 29 July
   33. 68. Marx to Engels. 3 August
   34. 69. Engels to Marx. 6 August
   35. 70. Marx to Carl Hirsch. 6 August
   36. 71. Marx to Engels. 9 August
   37. 72. Marx to Laura Lafargue. 9 August
   38. 73. Engels to George Shipton. 10 August
   39. 74. Engels to Marx. 11 August
   40. 75. Engels to George Shipton. 15 August
   41. 76. Marx to Engels. 16 August
   42. 77. Marx to Pyotr Lavrov. 16 August
   43. 78. Engels to Marx. 17 August
   44. 79. Engels to Eduard Bernstein. 17 August
   45. 80. Engels to Marx. 18 August
   46. 81. Marx to Engels. 18 August
   47. 82. Marx to Jenny Longuet. 18 August
   48. 83. Marx to Engels. 19 August
   49. 84. Marx to Jenny Longuet. 20 August
   50. 85. Engels to August Bebel. 25 August
   51. 86. Engels to Karl Kautsky. 27 August
   52. 87. Marx to Karl Kautsky. 1 October
   53. 88. Marx to Minna Kautsky. 1 October
   54. 89. Engels to Eduard Bernstein. 25 October
   55. 90. Engels to Johann Philipp Becker. 4 November
   56. 91. Engels to Eduard Bernstein. 30 November
   57. 92. Marx to Jenny Longuet. 7 December
   58. 93. Marx to Johann Philipp Becker. 10 December
   59. 94. Marx to Nikolai Danielson. 13 December
   60. 95. Marx to Friedrich Adolph Sorge. 15 December
   61. 96. Marx to Jenny Longuet. 17 December
   62. 97. Engels to Karl Kautsky. 18 December
   63. 98. Engels to Ferdinand Domela Nieuwenhuis. 29 December
   64. 99. Marx to Roland Daniels. 31 December
   65. 100. Engels to Lev Hartmann. End of December
4. 1882
   1. 101. Marx to Laura Lafargue. 4 January
   2. 102. Marx to Engels. 5 January
   3. 103. Engels to Eduard Bernstein. 6 January
   4. 104. Engels to Marx. 8 January
   5. 105. Marx to Engels. 12 January
   6. 106. Engels to Emil Engels. 12 January
   7. 107. Marx to Amalie Daniels. 12 January
   8. 108. Engels to Marx. 13 January
   9. 109. Marx to Engels. 15 January
   10. 110. Marx to Pyotr Lavrov. 23 January
   11. 111. Engels to Eduard Bernstein. 25 and 31 January
   12. 112. Engels to Karl Kautsky. 7 February
   13. 113. Engels to Johann Philipp Becker. 10 February
   14. 114. Marx to Engels. 17 February
   15. 115. Engels to Pyotr Lavrov. 18 February
   16. 116. Marx to Engels. 21 February
   17. 117. Engels to Eduard Bernstein. 22 and 25 February
   18. 118. Engels to Pyotr Lavrov. 23 February
   19. 119. Marx to Jenny Longuet. 23 February
   20. 120. Marx to Engels. 1 March
   21. 121. Marx to Engels. 3 March
   22. 122. Marx to Jenny Longuet. 16 March
   23. 123. Marx to Paul Lafargue. 20 March
   24. 124. Marx to Engels. 23 March
   25. 125. Marx to Jenny Longuet. 27 March
   26. 126. Marx to Engels. 28- 31 March
   27. 127. Engels to Henry Mayers Hyndman. Circa 31 March
   28. 128. Marx to Engels. 4 April
   29. 129. Marx to Jenny Longuet. 6 and 7 April
   30. 130. Marx to Engels. 8 April
   31. 131. Engels to Pyotr Lavrov. 10 April
   32. 132. Engels to Berthold Sparr. 12 April
   33. 133. Engels to Friedrich Adolph Sorge. 13 April
   34. 134. Marx to Laura Lafargue. 13 and 14 April
   35. 135. Engels to Eduard Bernstein. 17 April
   36. 136. Marx to Engels. 18 April
   37. 137. Engels to Eduard Bernstein. 21 April
   38. 138. Marx to Engels. 28 April
   39. 139. Marx to Jenny Longuet. 28 April
   40. 140. Engels to Eduard Bernstein. 3 May
   41. 141. Marx to Laura Lafargue. 6 May
   42. 142. Marx to Engels. 8 May
   43. 143. Marx to Jenny Longuet. 8 May
   44. 144. Engels to Eduard Bernstein. 10 May
   45. 145. Engels to August Bebel. 16 May
   46. 146. Marx to Engels. 20 May
   47. 147. Marx to Eleanor Marx. 21 May
   48. 148. Marx to Jenny Longuet. 26 May
   49. 149. Marx to Eleanor Marx. 28 May
   50. 150. Marx to Engels. 30 May
   51. 151. Marx to Jenny Longuet. 4 June
   52. 152. Marx to Engels. 5 June
   53. 153. Marx to Engels. 9 June
   54. 154. Marx to Engels. 15 June
   55. 155. Marx to Laura Lafargue. 17 June
   56. 156. Engels to Friedrich Adolph Sorge. 20 June
   57. 157. Engels to August Bebel. 21 June
   58. 158. Marx to Engels. 22 June
   59. 159. Marx to Engels. 24 June
   60. 160. Engels to Eduard Bernstein. 26 June
   61. 161. Marx to Engels. 4 July
   62. 162. Engels to Eduard Bernstein. 15 July
   63. 163. Engels to Adolf Hepner. 25 July
   64. 164. Engels to Pyotr Lavrov. 31 July
   65. 165. Marx to Engels. 3 August
   66. 166. Engels to Johann Philipp Becker. 9 August
   67. 167. Engels to Eduard Bernstein. 9 August
   68. 168. Marx to Engels. 10 August
   69. 169. Engels to Friedrich Adolph Sorge. 10 August
   70. 170. Engels to Marx. 20 August
   71. 171. Engels to Emil Engels Jun. 20 August
   72. 172. Marx to Engels. 21 August
   73. 173. Marx to Engels. 24 August
   74. 174. Engels to Marx. 25 August
   75. 175. Engels to Marx. 26 August
   76. 176. Engels to Jenny Longuet. 27 August
   77. 177. Marx to Engels. 4 September
   78. 178. Engels to Marx. 12 September
   79. 179. Engels to Karl Kautsky. 12 September
   80. 180. Engels to Eduard Bernstein. 13 September
   81. 181. Marx to Engels. 16 September
   82. 182. Engels to Marx. 18 September
   83. 183. Engels to Laura Lafargue. 20 September
   84. 184. Engels to Eduard Bernstein. 22 September
   85. 185. Engels to August Bebel. 23 September
   86. 186. Marx to Engels. 28 September
   87. 187. Marx to Engels. 30 September
   88. 188. Marx to Laura Lafargue. 9 October
   89. 189. Engels to Eduard Bernstein. 20 October
   90. 190. Engels to Laura Lafargue. 21 October
   91. 191. Engels to Eduard Bernstein. 27 October
   92. 192. Engels to August Bebel. 28 October
   93. 193. Engels to Paul Lafargue. 30 October
   94. 194. Engels to Marx. / November
   95. 195. Engels to Eduard Bernstein. 2 and 3 November
   96. 196. Engels to Marx. 3 November
   97. 197. Engels to Eduard Bernstein. 4 November
   98. 198. Engels to Marx. 6 November
   99. 199. Marx to Engels. 8 November
   100. 200. Marx to Philipp Stephen King. 9 November
   101. 201. Engels to Friedrich Adolph Sorge. 9 November
   102. 202. Marx to Eleanor Marx. 10 November
   103. 203. Engels to Marx. 11 November
   104. 204. Marx to Engels. 11 November
   105. 205. Engels to Karl Kautsky. 15November
   106. 206. Marx to Engels. 20 November
   107. 207. Engels to Marx. 21 November
   108. 208. Marx to Engels. 22 November
   109. 209. Engels to Marx. 22 November
   110. 210. Engels to Marx. 23 November
   111. 211. Marx to Engels. 27 November
   112. 212. Engels to Eduard Bernstein. 28 November
   113. 213. Engels to Marx. 30 November
   114. 214. Marx to Engels. 4 December
   115. 215. Marx to Engels. 8 December
   116. 216. Engels to Marx. 8 December
   117. 217. Engels to Marx. 13 December
   118. 218. Engels to Laura Lafargue. 14 December
   119. 219. Marx to Laura Lafargue. 14 December
   120. 220. Engels to Marx. 15 December
   121. 221. Engels to Laura Lafargue. 15 December
   122. 222. Engels to Marx. 16 December
   123. 223. Engels to Johann Philipp Becker. 16 December
   124. 224. Engels to Eduard Bernstein. 16 December
   125. 225. Marx to Engels. 18 December
   126. 226. Engels to Marx. 19 December
   127. 227. Engels to Marx. 22 December
   128. 228. Engels to August Bebel. 22 December
   129. 229. Marx to Eleanor Marx. 23 December
5. 1883
   1. 230. Marx to James M. Williamson. 6 January
   2. 231. Marx to Eleanor Marx. 8 January . .
   3. 232. Engels to Marx. 9 January
   4. 233. Marx to Eleanor Marx. 9 January
   5. 234. Marx to Engels. 10 January
   6. 235. Marx to Eleanor Marx. 10 January
   7. 236. Marx to Mrs James M. Williamson. // January
   8. 237. Marx to James M. Williamson. 13 January
   9. 238. Engels to Eduard Bernstein. 18 January
   10. 239. Engels to Eduard Bernstein. 8 February
   11. 240. Engels to Eduard Bernstein. 10 February
   12. 241. Engels to Karl Kautsky. 10 February
   13. 242. Engels to Laura Lafargue. 16 and 17 February
   14. 243. Engels to Eduard Bernstein. 27 February
   15. 244. Engels to Eduard Bernstein. 27 February- 1 March
   16. 245. Engels to Karl Kautsky. 2 March
   17. 246. Engels to August Bebel. 7 March
   18. 247. Engels to Laura Lafargue. 10 March
   19. 248. Engels to Charles Longuet. 14 March
   20. 249. Engels to Friedrich Adolph Sorge. 14 March
   21. 250. Engels to Wilhelm Liebknecht. 14 March
   22. 251. Engels to Eduard Bernstein. 14 March
   23. 252. Engels to Johann Philipp Becker. 15 March
   24. 253. Engels to Friedrich Adolph Sorge. 15 March
   25. 254. Engels to Friedrich Lessner. 15 March
   26. 255. Engels to Pyotr Lavrov. 24 March
   27. 256. Engels to Laura Lafargue. 25 March
   28. 257. Engels to Friedrich Theodor Cuno. 29 March
6. Appendices
   1. 1. Jenny Longuet to Charles Longuet. 1 October 1880
   2. 2. From Jenny Longuet's Letter to Charles Longuet. 27 October 1880 .
   3. 3. From Jenny Longuet's Letter to Charles Longuet. 31 October 1880 .
   4. 4. Jenny Longuet to Charles Longuet. 23 November 1880
   5. 5. Jenny Marx to Jenny Longuet. 20 August 1881
7. NOTES AND INDEXES
   1. Notes
   2. Name Index
   3. Index of Quoted and Mentioned Literature
   4. Index of Periodicals
   5. Subject Index