The Base

Collected works of Marxist thinkers — searchable, multilingual, open access.

What's new

  • June 2026 — library-wide quality pass. Across all four collections: ~23,900 texts revised and 250+ added — OCR cleanup, text-displacement repairs, and translation corrections, with several mis-cataloged works restored. The library now holds 39,954 works in roughly 95,900 texts.
  • Previous update. Marx & Engels joined the library — 7,197 works in English, German & Spanish; Lenin gained a complete Spanish edition (13,910 texts); full per-author download archives added on the Sources page.

Marx & Engels

Karl Marx & Friedrich Engels

1835–1895

The collected works of Karl Marx and Friedrich Engels — books, pamphlets, articles, speeches, and letters in English, German, and Spanish. German is the original language for most works; English and Spanish include both public-domain translations and AI translations.

7,197
Works
7,069
EN texts
5,151
DE texts
6,759
ES texts

Vladimir Lenin

Владимир Ленин

1870–1924

Collected works spanning 1893–1923. Includes articles, speeches, books, reports, letters, telegrams, decrees, memoranda, and theoretical works. English, Russian, and Spanish.

16,955
Works
16,942
EN texts
14,116
RU texts
13,910
ES texts

Joseph Stalin

Иосиф Сталин

1878–1953

Collected works spanning 1901–1953. Includes articles, speeches, reports, letters, orders, telegrams, and theoretical works.

2,011
Works
2,008
EN texts
1,917
RU texts
1,920
ES texts

Mao Zedong

毛泽东

1893–1976

Collected works spanning 1917–1976. Includes articles, speeches, reports, letters, directives, poems, and theoretical works.

13,791
Works
13,579
EN texts
12,577
ZH texts