State Scientific Publishers

State Scientific Publishers

Letter from Irena Krońska written in 10.01.1955

Letter from Irena Krońska written in 22.10.1960

Attachment to Irena Krońska’s letter written in 21.09.1968

Letter from Irena Krońska written in 03.06.1954

Letter from Irena Krońska written in 13.01.1961

Letter from Irena Krońska written in 25.04.1966

Letter from Irena Krońska written in 10.04.1967

Letter from Irena Krońska written in 07.06.1955

Letter from Irena Krońska written in 27.03.1954

Letter from Irena Krońska written in 06.09.1962

Letter from Irena Krońska written in 13.12.1954

Letter from Irena Krońska written in 22.11.1966