R. W. Seton-Watson and his relations with the Czechs and Slovaks : documents 1906-1951. 1. - Seton-Watson, Robert William, 1879-1951; Rychlík, Jan; Marzik, Thomas D., 1941-2007; Bielik, Miroslav, 1949-2021 (Ústav T. G. Masaryka Matica slovenská, 1995)