DescriptionJanMikołajczak.jpg English: JanMikołajczak in 1930 Date 1930 Source https://audiovis.nac.gov.pl/obraz/228647/fbb3c39fb5596f01f407695287007463/
DescriptionBudziński (front) and Mikołajczak.jpg English: Henryk Budziński and JanMikołajczak training for the 1930 European Rowing Championships. Date