Correspondence, letters to Groag Willi (Heiligova Erika, Tauberova Vera, Faktorova Nadja) + personal record of Caransa Abraham + Correspondence with Caransa Abraham + personal record of Grunfeld Otto + Correspondence with Grunfeld Otto (Zenka Manuel) + personal record of Wallerstein Herbert + Newspaper article about Wallerstein Herbert by Galil Marim, 17.April 1985 + Handwritten letter addressed to Groag Willi from Sode-Madsen Hans from the room L410