Details of individual letters:
1. Santa Margherita Ligure, 3 June 1900, 1p.Ms.
2. Villach, 3 June 1900, 1p.Ms.
3. Millstatt, 12 June 1900, 1p.Ms.
4. Villach, 13 June 1900, 1p.Ms.
5. Nurnberg, 20 July 1900 (p.m.), 1p.Ms.
6. Bad Nauheim, 25 July 1900, 1p.Ms.
7. Bad Nauheim, 26 July 1900, 3p.Ms.
8. to Emilie and Melanie Reizes, Bad Nauheim, 28 July 1900, 1p.Ms.
9. to Emilie and Melanie Reizes, Frankfurt am Main, 29 July 1900, 1p.Ms.
10. Frankfurt am Main, 9 August 1900, 4p.Ms.
11. Bad Nauheim, 14 August 1900, 8p.Ms.
12. Frankfurt am Main, 15 August 1900, 1p.Ms.
13. Frankfurt am Main, 15 August 1900, 1p.Ms.
14. Mainz, 21 August 1900, 1p.Ms.
15. Mainz, 22 August 1900, 1p.Ms.
16. to Emilie and Melanie Reizes, Rudesheim, 22 August 1900 (p.m.), 1p.Ms.
17. to Emilie and Melanie Reizes, Rudesheim, 23 August 1900, 1p.Ms.
18. Mainz, 23 August 1900, 1p.Ms.
19. n.p., 25 August 1900, 4p.Ms.
20. Rolandseck, 25 August 1900 (p.m.), 1p.Ms.
21. to Emilie and Melanie Reizes, Niederwald, 25 August 1900, 1p.Ms.
22. to Emilie and Melanie Reizes, Niederwald, 25 August 1900, 1p.Ms.
23. to Emilie and Melanie Reizes, Niederwald, 25 August 1900, 1p.Ms.
24. Bingen, 29 August 1900, 1p.Ms.
25. Bingen, 29 August 1900, 1p.Ms.
26. Bacharach, 30 August 1900, 1p.Ms.
27. St Goar, 30 August 1900, 1p.Ms.
28. to Emilie and Melanie Reizes, Bacharach, 30 August 1900, 1p.Ms.
29. Bonn, n.d. [probably August 1900], 1p.Ms.
30. Assmannshausen, 1 September 1900, 4p.Ms.
31. Coblenz, 2 September 1900 (p.m.), 1p.Ms.
32. Coblenz, 2September 1900 (p.m.), 1p.Ms.
33. Konigswinter, 3 September 1900 (p.m.), 1p.Ms.34.Godesberg, 34. (?) September 1900 (p.m.), 1p.Ms.
35. Konigswinter, 3 September 1900 (p.m.), 1p.Ms.
36. Rolandseck, 3 September 1900 (p.m.), 1p.Ms.
37. Köln, 4 September 1900 (p.m.), 1p.Ms.