My advice

(and request)

1) Classify the books not by authors but by subjects:
a) philosophy; b) psychology; c) sociology;
d) political economy;
e) finance; f) industry; g) agriculture;
h) cooperatives;
i) Russian history;
j) history of foreign countries;
k) diplomacy;
l) foreign and domestic trade;
m) military affairs;
n) the national question;
o) congresses and conferences (as well as resolutions), party, Comintern, and others (excluding decrees and codes of law);
p) the condition of workers;
q) the condition of peasants;
r) the Komsomol (everything available in separate editions about the Komsomol);
s) the history of revolution in other countries;
t) on 1905;
u) on the February Revolution of 1917;
v) on the October Revolution of 1917;
w) on Lenin and Leninism;
x) History of the RCP;
y) on discussions in the RCP (articles, brochures, etc.);

y1) trade unions;
y2) belles-lettres;
y3) literary criticism;
y4) political journals;
y5) natural-science journals;
y6) dictionaries of all kinds;
y7) memoirs;

2) Exempt from this classification books by:
a) Lenin (separately)
b) Marx (--) c) Engels (--) d) Kautsky (--)
e) Plekhanov (--)
f) Trotsky (--)
g) Bukharin (--)
h) Zinoviev (--)
i) Kamenev (--)
j) Lafargue (--)
k) R. Luxemburg (--)
l) Radek (--)

3) Classify all the rest by authors

(exclude from the classification and set aside:
textbooks of all kinds, minor journals, anti-religious rubbish, and the like)

29/V-25

Ilizarov B.S. The Secret Life of Stalin. Moscow, 2003. Between pp. 224 and 225.