Articles mentioning Kalugin
Death notices
Educational records
Medical records
Miscellany
"Pamiati bol'shogo russkogo inzhenera Stepana Prokof'evicha Timoshenko," Russkaia zhizn' 1972 November 2
Kharbinskii politekhnicheskii institut
Den' Politekhnika 1928, 1930
Izvestiia i trudy Russko-Kitaiskago politekhnicheskago instituta, #1 and #4 1924-1925
Politekhnik
#1 - #9 1969-1978
#10 - #15 and jubilee issue (1982), unnumbered 1979-1999
Miscellany