Fonds consists of a folder containing correspondence between the Stutzpunktleiter (base action leader) of the Nazi Party and the Landesleiter (country director) of the National Socialist German Workers' Party (NSDAP) in San Jose, Costa Rica regarding arrangements of the association known as Kraft durch Freude (Strength Through Joy) in the German Merchantman Weser dating from 1939 to 1940, entirely in German.

And, a folder containing general correspondence of the National Socialist German Workers' Party (NSDAP). Consists primarily of correspondence related to the M/V Weser between the NSDAP and the Stutzpunkleiter (base action leader) of the Nazi Party dating from 1937 to 1939. Documents are all in German except one crew list which is in Spanish.