Katalog zvezd, zapodozrennykh v peremennosti : soderzhashchii svedenii︠a︡ o 5835 peremennykh zvezdakh, otkrytykh i ne poluchivshchikh okonchatelʹnogo oboznachenii︠a︡ do 1951 goda, i o 2299 zvezdakh, peremennostʹ kotorykh somnitelʹna
Gosudarstvennyĭ Ėrmitazh : pami︠a︡tniki russkoĭ khudozhestvennoĭ kulʹtury X-nachala XX veka : alʹbom = The Hermitage, Leningrad : Russian art and culture, tenth to early twentieth century