1
by Kradman, Dmitrij Aleksandrovich
Published 1925
Izd-vo Sev.-zap. obl. otd-nija glav. kontory "Izvestij CIK SSSR i VCIK
Subjects: ...Physical education and training / Soviet Union...

2
by Sobeckij, Mikhail Georgievich
Published 1924
Izd. Knizhnogo sektora Gubono
Subjects: ...Gymnastics / Social aspects / Soviet Union...