Letter to His Mother (with N. K. Krupskaya, 20 December, 1898/2 January, 1899)

Letter to His Sister Maria (22 and December, 1898/4 and 6 January, 1899)

Letter to His Mother And His Sister Anna (28 December/10 January, 1899)

Letter to His Mother (3/16 January, 1899)

Letter to His Mother (10/23 January, 1899)

Letter to His Mother (17/30 January, 1899)

Letter to His Sister Maria (24 January/6 February, 1899)

Letter to A. N. Potresov (26 January/8 February, 1899)

Letter to His Brother (26 January/8 February, 1899)

Letter to His Mother (30 January/12 February, 1899)

Letter to His Mother (3/16 February, 1899)

Letter to His Mother (7/20 February, 1899)

Letter to His Sister Anna (13/26 February, 1899)

Review. Parvus. The World Market and the Agricultural Crisis (February 1899)

Review. R. Gvozdev. Kulak Usury, Its Social and Economic Significance (February 1899)

Review. Commercial and Industrial Russia (February 1899)

Letter to His Mother (21 February/6 March, 1899)

Letter to His Mother And His Sister Anna (28 February/13 March, 1899)

Letter to His Brother-In-Law (28 February/13 March, 1899)

Letter to His Mother (7/20 March, 1899)

Letter To His Sister Maria (with N. K. Krupskaya 7/20 March, 1899)

The Development of Capitalism in Russia (1896-1899)

Once More On the Theory of Realisation (March 1899)

Review. Karl Kautsky. Die Agrarfrage (March 1899)

Letter to His Mother And His Sister Anna (17/30 March, 1899)

Krupskaya And Lenin To Lenin's Sister Maria (17/30 March, 1899)

Letter to His Mother (21 March/3 April, 1899)

Letter to His Mother And His Sister Anna (4/17 April, 1899)

Letter to His Mother And His Sister Anna (11/24 April, 1899)

Review. J. A. Hobson. The Evolution of Modern Capitalism (April 1899)

Letter to A. N. Potresov (27 April/10 May, 1899)

Capitalism In Agriculture (April-May 1899)

Letter to His Mother And His Sister Anna (1/14 May, 1899)

Letter to His Mother And His Sister Anna (9/22 May, 1899)

Reply to Mr. P. Nezhdanov (May 1899)

Letter to His Sister Anna And His Mother (29 and 30 May/11 and 12 June, 1899)

Letter to A. N. Potresov (27 June/10 July, 1899)

Letter to His Mother And His Brother (20 June/3 July, 1899)

Letter to His Mother (11/24 July, 1899)

Letter to His Mother (1/14 August, 1899)

Letter to His Mother And His Sister Maria (7/20 August, 1899)

Letter to His Mother (15/28 August, 1899)

A Protest By Russian Social-Democrats (August–beginning of September 1899)

Letter to His Mother (22 August/4 September, 1899)

Krupskaya And Lenin To Lenin's Sister Maria (22 August/4 September, 1899)

Letter to His Mother (25 August/7 September, 1899)

Letter to His Mother (1/14 September, 1899)

Letter to His Mother (11/24 September, 1899)

Letter to His Mother (17/30 October, 1899)

Review. S. N. Prokopovich. The Working-Class Movement in the West (end of 1899)

Review. Karl Kautsky. Bernstein und das sozialdemokratische Programm. Eine Antikritik (end of 1899)

A Retrograde Trend In Russian Social-Democracy (end of 1899)

On Strikes (end of 1899)

Apropos of the Profession de Foi (end of 1899)

A Draft Programme of our Party (end of 1899)

Factory Courts (end of 1899)

An Urgent Question (end of 1899)

Our Programme (end of 1899)

Our Immediate Task (end of 1899)

Letter to the Editorial Group (end of 1899)