Lenin, Vladimir Ilyich

Collected Works (Vols. 1-34 of 38) (pdf page scans, may not be ADA compliant)

Imperialism, the Highest Stage of Capitalism (html, with pagination)

Left-Wing Communism: An Infantile Disorder (html, with pagination)

The Tasks of the Proletariat in the Present Revolution (the April Theses) (html, with numbered sections)

The State and Revolution (html, with pagination)

What Is to Be Done? (PDF, with pagination)