| Publisher's Foreword | xi |
| Preface | xiii |
| "Albert Einstein - A Biographical Sketch" (Translated Excerpts) | xv |
| List of Texts | |
| 1. | Birth Certificate, 15 March 1879 | 3 |
| 2. | Pauline Einstein to Fanny Einstein, 1 August 1886 | 3 |
| 3. | Comment on the Proof of a Theorem, 1891-1895 | 3 |
| 4. | Two Philosophical Comments, 1891-1895 | 4 |
| 5. | "On the Investigation of the State of the Ether in a Magnetic Field," Summer? 1895 | 4 |
| 6. | To Caesar Koch, Summer 1895 | 6 |
| 7. | Albin Herzog to Gustav Maier, 25 September 1895 | 7 |
| 8. | Entrance Report of the Gewerbeschule, Aargau Kantonsschule, ca. 26 October 1895 | 7 |
| 9. | Gustav Maier to Jost Winteler, 26 October 1895 | 8 |
| 10. | Aargau Kantonsschule Record, 26 October 1895 - 3 October 1896 | 8 |
| 11. | Hermann Einstein to Jost Winteler, 29 October 1895 | 10 |
| 12. | Minutes of Teachers' Conference, Aargau Kantonsschule, 8 November 1895 | 10 |
| 13. | Jost Winteler to Gustav Maier, 21 December 1895 | 10 |
| 14. | Hermann Einstein to Jost Winteler, 30 December 1895 | 11 |
| 15. | Pauline Einstein to the Winteler Family, 30 December 1895 | 11 |
| 16. | Release from Wurttemberg Citizenship, 28 January 1896 | 11 |
| 17. | Inspector's Report on a Music Examination, Aargau Kantonsschule, ca. 31 March 1896 | 12 |
| 18. | To Marie Winteler, with a Postscript by Pauline Einstein, 21 April 1896 | 12 |
| 19. | Final Grades, Aargau Kantonsschule, 5 September 1896 | 13 |
| 20. | To the Department of Education, Canton of Aargau, 7 September 1896 | 14 |
| 21. | Matura Examination (A) German: "Synopsis of Goethe's Goetz von Berlichingen," 18 September 1896 | 14 |
| 22. | Matura Examination (B) French: "My Future Plans," 18 September 1896 | 15 |
| 23. | Matura Examination (C) Geometry, 19 September 1896 | 16 |
| 24. | Matura Examination (D) Physics: "Tangent Galvanometer and Galvanometer," 19 September 1896 | 18 |
| 25. | Matura Examination (E) Natural History: "Evidence of the Earlier Glaciation of Our Country," 21 September 1896 | 20 |
| 26. | Matura Examination (F) Algebra, 21 September 1896 | 21 |
| 27. | Matura Examination (G) Chemistry, 21 September 1896 | 23 |
| 28. | ETH Record and Grade Transcript, 5-10 October 1896 - 2 August 1900 | 25 |
| 29. | From Marie Winteler, 4-25 November 1896 | 29 |
| 30. | From Marie Winteler, 30 November 1896 | 30 |
| 31. | Pauline Einstein to Marie Winteler, 13 December 1896 | 31 |
| 32. | Pauline Einstein to Marie Winteler, 24 March 1897 | 31 |
| 33. | Statement of a Fine, 23-28 April 1897 | 32 |
| 34. | To Pauline Winteler, May? 1897 | 32 |
| 35. | To Pauline Winteler, 7 June 1897 | 33 |
| 36. | From Mileva Maric, after 20 October 1897 | 34 |
| 37. | H. F. Weber's Lectures on Physics, ca. December 1897 - ca. June 1898 | 36 |
| 38. | To Maja Einstein, 1898 | 123 |
| 39. | To Mileva Maric, 16 February 1898 | 123 |
| 40. | To Mileva Maric, 16 April - 8 November 1898 | 124 |
| 41. | To Mileva Maric, after 16 April 1898 | 124 |
| 42. | Jerome Franel to Hermann Bleuler, 21 October 1898 | 125 |
| 43. | To Mileva Maric, after 28 November 1898 | 125 |
| 44. | To Maja Einstein, after February 1899 | 126 |
| 45. | To Mileva Maric, 13 or 20 March 1899 | 126 |
| 46. | To Rosa Winteler, 29 April 1899 | 127 |
| 47. | To Rosa Winteler, 18 May 1899 | 127 |
| 48. | To Julia Niggli, 28 July 1899 | 127 |
| 49. | Verse in the Album of Anna Schmid, August 1899 | 128 |
| 50. | To Mileva Maric, early August 1899 | 129 |
| 51. | To Julia Niggli, 6? August 1899 | 129 |
| 52. | To Mileva Maric, 10? August 1899 | 130 |
| 53. | From Mileva Maric, after 10 August - before 10 September 1899 | 131 |
| 54. | To Mileva Maric, 10 September 1899 | 132 |
| 55. | To Julia Niggli, 11 September 1899 | 133 |
| 56. | To Pauline Winteler, 11 September 1899 | 134 |
| 57. | To Mileva Maric, 28? September 1899 | 135 |
| 58. | To Mileva Maric, 10 October 1899 | 136 |
| 59. | Municipal Certificate of Residence and Good Conduct, 18 October 1899 | 137 |
| 60. | To the Swiss Federal Council, 19 October 1899 | 137 |
| 61. | From Mileva Maric, 1900? | 138 |
| 62. | To the Swiss Department of Foreign Affairs, 28 February 1900 | 138 |
| 63. | Mileva Maric to Helene Kaufler, 9 March 1900 | 138 |
| 64. | Mileva Maric to Helene Kaufler, 4 June - 23 July 1900 | 139 |
| 65. | To the Zurich City Council, 26 June 1900 | 139 |
| 66. | Municipal Police Detective's Report, 4 July 1900 | 140 |
| 67. | Adolf Hurwitz to Hermann Bleuler, 27 July 1900 | 140 |
| 68. | To Mileva Maric, 29? July 1900 | 141 |
| 69. | To Mileva Maric, 1 August 1900 | 142 |
| 70. | To Mileva Maric, 6 August 1900 | 143 |
| 71. | To Mileva Maric, 9? August 1900 | 144 |
| 72. | To Mileva Maric, 14? August 1900 | 145 |
| 73. | To Mileva Maric, 20 August 1900 | 146 |
| 74. | To Mileva Maric, 30 August or 6 September 1900 | 147 |
| 75. | To Mileva Maric, 13? September 1900 | 149 |
| 76. | To Mileva Maric, 19 September 1900 | 150 |
| 77. | To Adolf Hurwitz, 30 September 1900 | 151 |
| 78. | To Adolf Hurwitz, 26 September 1900 | 151 |
| 79. | To Mileva Maric, 3 October 1900 | 152 |
| 80. | Mileva Maric to Helene Kaufler, before 9 October 1900 | 153 |
| 81. | To Helene Kaufler, 11 October 1900 | 153 |
| 82. | Questionnaire for Municipal Citizenship Applicants, 11-26 October 1900 | 153 |
| 83. | Mileva Maric to Helene Savic, with a Postscript by Einstein, 11 December 1900 | 154 |
| "Conclusions Drawn from the Phenomena of Capillarity," 13 December 1900 [title only] | 155 |
| 84. | Minutes of the Municipal Naturalization Commission of Zurich, 14 December 1900 | 155 |
| 85. | Mileva Maric to Helene Savic, 20 December 1900 | 155 |
| 86. | To Helene Savic, 20 December 1900 | 156 |
| 87. | Mileva Maric to Helene Savic, with a Postscript by Einstein, 8 January - 19 March 1901 | 157 |
| 88. | Report of the Schweizerisches Informationsbureau, 30 January 1901 | 157 |
| 89. | Dedication to Friedrich Muhlberg, ca. March 1901 | 158 |
| 90. | To Otto Wiener, 9 March 1901 | 158 |
| 91. | Military Service Book, 13 March 1901 | 158 |
| 92. | To Wilhelm Ostwald, 19 March 1901 | 159 |
| 93. | To Mileva Maric, 23 March 1901 | 159 |
| 94. | To Mileva Maric, 27 March 1901 | 160 |
| 95. | To Wilhelm Ostwald, 3 April 1901 | 162 |
| 96. | To Mileva Maric, 4 April 1901 | 162 |
| 97. | To Mileva Maric, 10 April 1901 | 163 |
| 98. | To Heike Kamerlingh Onnes, 12 April 1901 | 164 |
| 99. | Hermann Einstein to Wilhelm Ostwald, 13 April 1901 | 164 |
| 100. | To Marcel Grossmann, 14 April 1901 | 165 |
| 101. | To Mileva Maric, 15 April 1901 | 166 |
| 102. | To Mileva Maric, 23 April 1901 | 167 |
| 103. | From Mileva Maric, 2 May 1901 | 168 |
| 104. | To Alfred Stern, 3 May 1901 | 168 |
| 105. | From Mileva Maric, 3 May 1901 | 169 |
| 106. | To Mileva Maric, 9 May 1901 | 170 |
| 107. | To Mileva Maric, second half of May? 1901 | 171 |
| 108. | From Mileva Maric, second half of May? 1901 | 172 |
| 109. | Mileva Maric to Helene Savic, second half of May? 1901 | 172 |
| 110. | To Mileva Maric, second half of May? 1901 | 173 |
| 111. | To Mileva Maric, 28? May 1901 | 174 |
| 112. | To Mileva Maric, 4? June 1901 | 174 |
| 113. | To the Director's Office, Technikum Burgdorf, 3 July 1901 | 175 |
| 114. | To Mileva Maric, 7? July 1901 | 176 |
| 115. | To Jost Winteler, 8 July 1901 | 176 |
| 116. | From Mileva Maric, ca. 8 July 1901 | 177 |
| 117. | To the Department of Education, Canton of Bern, 16 July 1901 | 178 |
| 118. | From the Department of Internal Affairs, Canton of Bern, 16 July 1901 | 178 |
| 119. | To Mileva Maric, 22? July 1901 | 178 |
| 120. | From the Department of Internal Affairs, Canton of Bern, 31 July 1901 | 179 |
| 121. | From Mileva Maric, 31? July 1901 | 179 |
| 122. | To Marcel Grossmann, 6? September 1901 | 180 |
| 123. | From Mileva Maric, early November 1901 | 181 |
| 124. | From Mileva Maric, 13 November 1901 | 182 |
| 125. | Mileva Maric to Helene Savic, ca. 23 November - mid-December 1901 | 183 |
| 126. | To Mileva Maric, 28 November 1901 | 184 |
| 127. | To Mileva Maric, 12 December 1901 | 185 |
| 128. | To Mileva Maric, 17 December 1901 | 186 |
| 129. | To the Swiss Patent Office, 18 December 1901 | 188 |
| 130. | To Mileva Maric, 19 December 1901 | 188 |
| 131. | To Mileva Maric, 28 December 1901 | 189 |
| 132. | Receipt for the Return of Doctoral Fees, 1 February 1902 | 190 |
| 133. | To Conrad Habicht, 4 February 1902 | 190 |
| 134. | To Mileva Maric, 4 February 1902 | 191 |
| 135. | Advertisement for Private Lessons, 5 February 1902 | 192 |
| 136. | To Mileva Maric, 8? February 1902 | 192 |
| 137. | To Mileva Maric, 17? February 1902 | 193 |
| 138. | Pauline Einstein to Pauline Winteler, 20 February 1902 | 193 |
| "On the Thermodynamic Theory of the Difference in Potentials between Metals and Fully Dissociated Solutions of Their Salts and On an Electrical Method for Investigating Molecular Forces," April 1902 [title only] | 194 |
| 139. | To Conrad Habicht, April? 1902 | 194 |
| "Kinetic Theory of Thermal Equilibrium and of the Second Law of Thermodynamics," June 1902 [title only] | 194 |
| 140. | The Swiss Department of Justice to the Swiss Federal Council, 2 June 1902 | 194 |
| 141. | From the Swiss Department of Justice, 19 June 1902 | 195 |
| 142. | From the Swiss Patent Office, 19 June 1902 | 196 |