Contents

1. Preface
2. 1844
   1. 1. Engels to Marx. Beginning of October
   2. 2. Marx to Julius Campe. 7 October
   3. 3. Marx to Heinrich Börnstein. Not later than November
   4. 4. Marx to Heinrich Börnstein. Autumn
   5. 5. Engels to Marx. 19 November
   6. 6. Marx to Heinrich Börnstein. End of December 1844-beginning of January 1845
3. 1845
   1. 7. Marx to Arnold Rüge. 15 January
   2. 8. Engels to Marx. About 20 January
   3. 9. Marx to Heinrich Heine. End of January- 1 February
   4. 10. Engels to Marx. 22 February- 7 March
   5. 11. Engels to Marx. 17 March
   6. 12. Marx to Heinrich Heine. 24 March
   7. 13. Marx to Zacharius Löwenthal. 9 May
   8. 14. Engels to Marie Engels. 31 May
   9. 15. Engels to Julius Campe. 14 October
4. 1846
   1. 16. Engels to Marie Blank. 7 March
   2. 17. Engels to Emil Blank. 3 April ;
   3. 18. Marx to Heinrich Heine. Beginning of April
   4. 19. Marx to Pierre-Joseph Proudhon. 5 May
   5. 20. Marx to Karl Ludwig Bernays. 7 May
   6. 21. Marx to Joseph Weydemeyer. 14- 16 May
   7. 22. Engels to Marx. 27 July
   8. 23. Engels and Marx to Moses Hesse. 27 July and about 29 July
   9. 24. Marx to Carl Friedrich Julius Leske. / August
   10. 25. Engels to Marx. 19 August
   11. 26. Engels to the Communist Correspondence Committee in Brussels. 19 August
   12. 27. Marx to Karl Ludwig Bernays. August
   13. 28. Engels to the Communist Correspondence Committee in Brussels. 16 September
   14. 29. Engels to Marx. 18 September
   15. 30. Engels to Marx. After 18 September
   16. 31. Engels to Marx. About 18 October
   17. 32. Engels to the Communist Correspondence Committee in Brussels. 23 October
   18. 33. Engels to Marx. About 23 October
   19. 34. Engels to Marx. 2 November
   20. 35. Engels to Marx. Middle of November-December
   21. 36. Marx to Pavel Vasilyevich Annenkov. 28 December
5. 1847
   1. 37. Engels to Marx. 15 January
   2. 38. Marx to Roland Daniels. 7 March
   3. 39. Engels to Marx. 9 March Ill 40. Marx to Engels. 15 May
   4. 41. Marx to Georg Herwegh. 27 July
   5. 42. Marx to Georg Herwegh. 8 August
   6. 43. Marx to Moses Hess. 2 September
   7. 44. Engels to Marx. 28- 30 September
   8. 45. Marx to Werner von Veltheim. 29 September
   9. 46. Engels to Lucien-Léopold Jottrand. 30 September
   10. 47. Engels to Marx. 25- 26 October
   11. 48. Engels to Georg Herwegh. 26 October
   12. 49. Engels to Marx. 14- 15 November
   13. 50. Engels to Marx. 23- 24 November
   14. 51. Marx to Pavel Vasilyevich Annenkov. 9 December
6. 1848
   1. 52. Engels to Marx. 14 January
   2. 53. Engels to Marx. 21 January
   3. 54. Marx to Engels. Between 7 and 12 March
   4. 55. Engels to Marx. 8- 9 March
   5. 56. Marx to Engels. 16 March
   6. 57. Engels to Marx. 18 March
   7. 58. Engels to Emil Blank. 26 March
   8. 59. Engels to Emil Blank. 28 March
   9. 60. Marx and Engels to Etienne Cabet. 5 April
   10. 61. Engels to Emil Blank. 15 April
   11. 62. Marx to Engels. About 24 April
   12. 63. Engels to Marx. 25 April
   13. 64. Engels to Marx. 9 May
   14. 65. Engels to Emil Blank. 24 May
   15. 66. Engels to Karl Friedrich Koppen. J September
   16. 67. Marx to Engels. About 29 or 30 October
   17. 68. Marx to Engels. First half of November
   18. 69. Marx to Ferdinand Lassalle. 13 November
   19. 70. Marx to Engels. 29 November
   20. 71. Marx to Eduard von Müller-Tellering. 5 December
   21. 72. Engels to Marx. 28 December
   22. 73. Marx to Wilhelm Stieber. About 29 December
7. 1849
   1. 74. Engels to Marx. 7- 8 January
   2. 75. Marx to Eduard von Müller-Tellering. 15 January
   3. 76. Marx to Ernst Dronke. 3 February
   4. 77. Engels to Daniel Fenner von Fenneberg. 1 March
   5. 78. Marx to Colonel Engels. 3 March
   6. 79. Marx to Colonel Engels. Before 15 April
   7. 80. Marx to Engels. Before 15 April
   8. 81. Marx to Engels. 23 April
   9. 82. Marx to Hermann Brehmer. 6 May
   10. 83. Marx to Eduard von Müller-Tellering. 6 May
   11. 84. Marx to Andreas Stifft. 6 May
   12. 85. Marx to Joseph Weydemeyer. 1 June
   13. 86. Marx to Engels. 7 June
   14. 87. Marx to Joseph Weydemeyer. 13 July
   15. 88. Marx to Caroline Schöler. 14 July
   16. 89. Engels to Jenny Marx. 25 July
   17. 90. Marx to Ferdinand Freiligrath. 31 July —
   18. 91. Marx to Engels. End of July
   19. 92. Marx to Joseph Weydemeyer. End of July
   20. 93. Marx to Joseph Weydemeyer. Mid-August
   21. 94. Marx to Engels. 17 August
   22. 95. Marx to Engels. 23 August
   23. 96. Engels to Joseph Weydemeyer. 23 August
   24. 97. Engels to Jakob Lukas Schabelitz. 24 August
   25. 98. Marx to Ferdinand Freiligrath. 5 September
   26. 99. Engels to George Julian Harney. 5 October
   27. 100. Marx to Louis Bauer. 30 November
   28. 101. Marx to Joseph Weydemeyer. 19 December
   29. 102. Engels to Jakob Lukas Schabelitz. 22 December
8. 1850
   1. 103. Marx to Eduard von Müller-Tellering. 1 January
   2. 104. Marx to Joseph Weydemeyer. 8 January
   3. 105. Marx to Ferdinand Freiligrath. 11 January
   4. 106. Marx to Joseph Weydemeyer. 4 February
   5. 107. Marx to Louis Bauer. 5 February
   6. 108. Engels to Eduard von Müller-Tellering. 7 February
   7. 109. Engels to Julius Schuberth, Theodor Hagen and Stephan Adolph Naut. 4 March
   8. 110. Marx to Eduard von Müller-Tellering. 12 March
   9. 111. Marx to Joseph Weydemeyer. 9 April
   10. 112. Engels to Julius Schuberth. About 11 April
   11. 113. Engels to Joseph Weydemeyer. 22 April
   12. 114. Engels to Joseph Weydemeyer. 25 April
   13. 115. Engels and Marx to François Pardigon. 6 May
   14. 116. Engels to Theodor Schuster. 13 May
   15. 117. Engels to Joseph Weydemeyer. 8 June
   16. 118. Marx to Heinrich Bürgers. 25 June
   17. 119. Marx to Joseph Weydemeyer. 27 June
   18. 120. Marx to Karl Blind. 17 July
   19. 121. Marx to Joseph Weydemeyer. 29 October
   20. 122. Marx to Engels. 19 November
   21. 123. Marx to Engels. 23 November
   22. 124. Engels to Marx. 25 November
   23. 125. Marx to Engels. 2 December
   24. 126. Marx to Hermann Becker. 2 December
   25. 127. Engels to Emil Blank. 3 December
   26. 128. Engels to Marx. 17 December
9. 1851
   1. 129. Marx to Engels. 6 January
   2. 130. Marx to Engels. 7 January
   3. 131. Engels to Marx. 8 January
   4. 132. Marx to Engels. 22 January
   5. 133. Engels to Marx. 25 January
   6. 134. Marx to Engels. 27 January
   7. 135. Engels to Marx. 29 January
   8. 136. Marx to Hermann Becker. About 1 February
   9. 137. Marx to Engels. 3 February
   10. 138. Engels to Marx. 5 February
   11. 139. Marx to Hermann Becker. 8 February
   12. 140. Marx to Engels. 10 February
   13. 141. Marx to Engels. 11 February
   14. 142. Engels to Marx. 12 February
   15. 143. Engels to Marx. 13 February
   16. 144. Marx to Engels. 23 February
   17. 145. Marx to Engels. 24 February
   18. 146. Engels to Marx. 25 February
   19. 147. Engels to Marx. 26 February
   20. 148. Marx to Engels. 26 February
   21. 149. Engels to Marx. 26 February
   22. 150. Engels to Marx. 27 February
   23. 151. Engels to Marx. 28 February
   24. 152. Marx to Hermann Becker. 28 February
   25. 153. Marx to Engels. 1 March
   26. 154. Marx to Engels. 8 March
   27. 155. Engels to Marx. 10 March
   28. 156. Engels to Marx. 17 March
   29. 157. Marx to Engels. 17 March
   30. 158. Engels to Marx. 19 March
   31. 159. Marx to Engels. 22 March
   32. 160. Marx to Engels. 31 March
   33. 161. Marx to Engels. 2 April
   34. 162. Engels to Marx. 3 April
   35. 163. Marx to Hermann Becker. 9 April
   36. 164. Engels to Marx. 11 April
   37. 165. Marx to Engels. 15 April
   38. 166. Engels to Marx. 15 April
   39. 167. Engels to Marx. 1 May
   40. 168. Engels to Wilhelm Wolff. 1 May
   41. 169. Marx to Engels. 3 May
   42. 170. Marx to Engels. 5 May
   43. 171. Engels to Marx. About 6 May
   44. 172. Engels to Marx. 8 May
   45. 173. Engels to Marx. 9 May
   46. 174. Engels to Marx. 15 May
   47. 175. Marx to Engels. 16 May
   48. 176. Engels to Marx. 19 May
   49. 177. Marx to Engels. 21 May
   50. 178. Engels to Marx. 23 May
   51. 179. Engels to Marx. 27 May
   52. 180. Marx to Engels. 28 May
   53. 181. Marx to Roland Daniels. Second half of May
   54. 182. Marx to Engels. 16 June
   55. 183. Engels to Joseph Weydemeyer. 19 June
   56. 184. Engels to Marx. 27 June
   57. 185. Marx to Joseph Weydemeyer. 27 June
   58. 186. Engels to Marx. About 6 July
   59. 187. Engels to Ernst Dronke. 9 July
   60. 188. Marx to Engels. 13 July
   61. 189. Marx to Engels. About 17 July —
   62. 190. Engels to Marx. 17 July:
   63. 191. Engels to Marx. About 20 July
   64. 192. Engels to Marx. 30 July
   65. 193. Marx to Engels. 31 July
   66. 194. Engels to Marx. About 1 August
   67. 195. Marx to Joseph Weydemeyer. 2 August
   68. 196. Engels to Wilhelm Wolff. 6 August
   69. 197. Engels to Joseph Weydemeyer. 7 August
   70. 198. Marx to Engels. 8 August
   71. 199. Engels to Marx. About 10 August
   72. 200. Engels to Marx. About 11 August
   73. 201. Marx to Engels. 14 August
   74. 202. Marx to Hermann Ebner. 15- 22 August
   75. 203. Marx to Engels. About 20 August
   76. 204. Engels to Marx. 21 August
   77. 205. Marx to Engels. 25 August
   78. 206. Engels to Marx. About 27 August
   79. 207. Marx to Engels. 31 August
   80. 208. Engels to Marx. 1 September
   81. 209. Engels to Marx. 8 September
   82. 210. Engels to Marx. 11 September
   83. 211. Marx to Joseph Weydemeyer. 11 September
   84. 212. Marx to Engels. 13 September
   85. 213. Engels to Marx. 19 September
   86. 214. Engels to Marx. 23 September
   87. 215. Marx to Engels. 23 September
   88. 216. Engels to Marx. 25 September
   89. 217. Engels to Marx. 26 September
   90. 218. Marx to Amalie Daniels. Between 4 and 8 October
   91. 219. Marx to Engels. 13 October
   92. 220. Engels to Marx. 15 October
   93. 221. Marx to Joseph Weydemeyer. 16 October
   94. 222. Marx to Engels. 19 October
   95. 223. Marx to Engels. 25 October
   96. 224. Engels to Marx. About 27 October
   97. 225. Marx to Joseph Weydemeyer. 31 October
   98. 226. Marx to Engels. 24 November
   99. 227. Engels to Marx. 27 November
   100. 228. Marx to Adolf Cluss. Beginning of December
   101. 229. Marx to Engels. 1 December
   102. 230. Marx to Hermann Ebner. 2 December
   103. 231. Engels to Marx. 3 December
   104. 232. Marx to Engels. 9 December
   105. 233. Engels to Marx. 10 December
   106. 234. Engels to Marx! 11 December
   107. 235. Engels to Marie Blank. 15 December
   108. 236. Engels to Marx. 16 December
   109. 237. Engels to Jenny Marx. 18 December
   110. 238. Marx to Joseph Weydemeyer. 19 December 518" 239. Marx to Ferdinand Freiligrath. 27 December
10. Appendices
    1. 1. Jenny Marx to Karl Marx. 10 February 1845
    2. 2. Jenny Marx to Karl Marx. After 24 August 1845
    3. 3. Jenny Marx to Karl Marx. 24 March 1846
    4. 4. George Julian Harney to Frederick Engels. 30 March 1846
    5. 5. Jenny Marx to Joseph Weydemeyer. 17 March 1848
    6. 6. Elisabeth Engels to Frederick Engels. After 4 October 1848
    7. 7. Hermann Ewerbeck to Moses Hess. 14 November 1848
    8. 8. Elisabeth Engels to Frederick Engels. 5 December 1848
    9. 9. Jenny Marx to Caroline Schöler. 14 July 1849
    10. 10. Conrad Schramm to Joseph Weydemeyer. 8 January 1850
    11. 11. From Peter Röser's Evidence
    12. 12. Jenny Marx to Joseph Weydemeyer. 20 May 1850
    13. 13. Jenny Marx to Joseph Weydemeyer. About 20 June 1850
    14. 14. Jenny Marx to Frederick Engels. 19 December 1850
    15. 15. Jenny Marx to Frederick Engels. 11 January 1851
    16. 16. Jenny Marx to Frederick Engels. 17 December 1851
    17. 17. Jenny Marx to Frederick Engels. 17 December 1851
11. NOTES AND INDEXES
    1. Notes
    2. Name Index
    3. Index of Quoted and Mentioned Literature
    4. Index of Periodicals
    5. Subject Index