[From the bibliographer's files (XXIV). 75 years ago].
D001317:Austria; D005858:Germany; D049673:History, 20th Century; D009885:Ophthalmology / Q000266:history*; D011044:Poland; D012425:Russia (Pre-1917)
Z teki szperacza-bibliografa (XXIV). Przed 75 laty.