Russkie vozdushnye bogatyri: I.I. Sikorskago
Subtitle: materialy dli︠a︡ istorii russkoĭ aviatsi︠i︡ sʹ 88 snimkami vʹ tekstʹ
Published: 1930
Place of publication: Bʹlgradʹ
Language: rus
Number of pages: 186
Subjects: Military Aeronautics
Notes: In Russian.