Heniek Singer’s entry in Fira’s book of friendship. February 10, 1933

Rozia Puterman’s entry in Fira’s book of friendship. February 9, 1933

Melania Janczakowna’s entry in Fira’s book of friendship. Poznan, February 1929

Another Heniek Singer’s entry in Fira’s book of friendship. February 10, 1933

Fira’s book of friendship. The entry of N.N. Poznan, December 14, 1930

Heniek Singer’s entry at the last page of Fira’s book of friendship. Poznan, February 10, 1933

A fragment of application from 1932 with personal data of Hinda (Hela) Lukredzka for admission to the second year of chemistry at the Poznan University. AMU Archives

Hinda (Hela) Lukredzka, Fira’s acquaintance. 1932. Phot. AMU Archives

A fragment of a „Registration form” from 1931 with personal data of Etka Charlupska, Fira’s acquaintance, applying to the first year of pharmacy at the Poznan University. AMU Archives