The letters written by Kafka are in course of publication in KKA, Briefe vol. [1- ] (1999- ) where the postcard pictures are reproduced in the 'Kommentar' at the end of each volume. Drafts and fragments of other letters by Kafka are in MSS. Kafka 20, fol. 36v; 29, fol. 16v; 46, fol. 5v; 47, fol. 15; 53, fols. 10-16.