This diploma thesis presents compiled and edited collection of letters from the czech landscape painter František Kaván (1866-1941), a scholar of Julius Mařák's painting school, to the publisher and gallerist František Topič (1858-1941), the painter Oldřich Blažíček (1887-1953) and the librarian and bibliographer Ladislav Jan Živný (1872-1949). The edition is based on 104 letters kept in the Museum of Czech Literature in Prague and the Archives of the National Gallery in Prague. The correspondence describes a life of the painter from the year 1894 to 1941. The diploma thesis analyses and comments approachable literature and deals with relevant sources of material. Editorial comment summarizes principles and methods applied in this thesis, one part is dedicated to the editor Svatopluk Klír. The main parts are chapters based on commentary of selected passages of 104 edited documents with further relevant information in the apparatus. Fulltext edition of mentioned documents is a part of the appendix. A part of the thesis are indices and list of sources and literature. This edition of Kaván's letters from 19th to second part of 20th century reflects till now uncompiled sources and throug them give as a new insight into life and work the significant czech landscape painter and his three friends who...