Document creator
Fond/Collection
Series
Subseries
Record identification
IPN reference number
IPN BU 0203/3462
Historical reference numbers
38989/II
File description
Title
Materiały operacyjne dot.: Leon Osowski, imię ojca: Leon, ur. 28-09-1917 r.
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Registration number
PUBP Ostrołęka 1574/O/1950
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Dates
Starting date
1950
Closing date
1962
Place of storage
Archive branch