| RefNo | Title | Date |
| L/E/69/85 | Biographical Information \ Rudolf Laban \ Information from Snell | 1975 |
| L/E/51/101 | Letters \ Letter from Gertrude Friedberg Snell, Israel | 14 March 1957 |
| L/E/69/56 | Biographical Information \ Rudolf Laban \ Milka Mayerova Correspondence | 2 December 1964-26 February 1966 |
| L/E/69/52 | Biographical Information \ Rudolf Laban \ Professor Fritz Klingenbeck Correspondence | 02/01/1965-06/03/1965 | n.d. |
| L/E/69/71 | Biographical Information \ Rudolf Laban \ Correspondence between Gertrud Friedberg-Snell and Warsitz | 06/01/1965-29/01/1967 |
| L/E/43/18 | Information from Others \ Correspondence between Andreas Duck and Lisa Ullmann | 08/01/1965-28/07/1965 |
| L/E/69/62 | Biographical Information \ Rudolf Laban \ Correspondence between Lisa Ullmann, Gret Palucca and Gertrud Friedberg-Snell | 20/01/1965-11/11/1965 | n.d. |
| L/E/69/59 | Biographical Information \ Rudolf Laban \ Correspondence between Gertrud Friedberg-Snell and Vilma Monckeberg-Kollmar | 05/02/1965-10/09/1965 |
| L/E/69/61 | Biographical Information \ Rudolf Laban \ Letter to Verlag Herbert Neuner from Gertrud Friedberg-Snell | 26 February 1965 |
| L/E/69/57 | Biographical Information \ Rudolf Laban \ Correspondence between Meinhard Meisenbach, Lisa Ullmann and Gertrud Friedberg-Snell | 06/03/1965-25/05/1965 |
| L/E/69/51 | Biographical Information \ Rudolf Laban \ Letters to Gertrud Friedberg-Snell | 16 June 1965 |
| L/E/69/67 | Biographical Information \ Rudolf Laban \ Correspondence between Gertrud Friedberg-Snell and Johann Stegmann | 22/06/1965-10/09/1965 |
| L/E/69/81 | Biographical Information \ Rudolf Laban \ Correspondence between Gertrud Friedberg-Snell and Professor Max Ackermann | 26/02/1966-23/06/1966 |