P A. Kovalev has written:
'Revolyutsionnaya situatsiya 1915-1917gg. i ee proyavleniya v Turkestane'
Yurii Kovalev has written: 'O sovetskom pasporte'
M. A. Kovalev has written: 'Prokurorskii nadzor za obespecheniem prav lichnosti pri rassledovanii prestuplenii'
Isan Yakovlevich Kovalev has written: 'Komsomol i obrona Rodiny, 1921-1941 gg' -- subject(s): Komsomol
K.N Kovalev has written: 'Polovoe razmnozhenie v obshchebiologicheskom i biosotsialnom osveshchenii' -- subject(s): Marriage, Family, Sex
Mikhail Prokhorovich Kovalev has written: 'Dinamicheskoe uravnoveshivanie rotorov giroskopicheskikh sistem' -- subject(s): Balancing of machinery, Gyroscopes, Rotors
S. M. Kovalev has written: 'Vospitanie i samovospitanie' 'Marksizm-leninizm i formirovanie novogo cheloveka' 'Real'nyi gumanizm i ego protivniki'
P. Weerasekera has written: '\\'
P. P. Adamovich has written: 'Krasnye orly'
A. P. Vedeneev has written: 'Zveno'
P. Medd has written: 'Romilly'
P. Becher has written: 'Emulsions'
P. Maycock has written: '[Sketchbook]'