| 1919 | Authority in the Modern State | Yale University Press, New Haven | Open Library |
| 1920 | Political Thought in England from Locke to Bentham | H. Holt, New York, N.Y | SUDOC record 064939359 · Library of Congress record 20014002 |
| 1921 | Karl Marx — An Essay | Fabian Society, London | Open Library |
| 1921 | The Foundations of Sovereignty, and Other Essays | Harcourt, Brace and Company, New York | Open Library |
| 1925 | A Grammar of Politics | G.Allen & Unwin, London | SUDOC record 150623771 · Library of Congress record 39015413 |
| 1927 | Communism | Williams & Norgate, London | Open Library |
| 1930 | Liberty in the Modern State | Faber & Faber LTD, London | SUDOC record 090229363 · swisscovery record 991070496539705501 |
| 1932 | Studies in Law and Politics | George Allen & Unwin Ltd, London | Open Library |
| 1935 | The State in Theory and Practice | Allen & Unwin, London | Open Library |
| 1936 | The Rise of European Liberalism — An Essay in Interpretation | George Allen and Unwin, London | Open Library |
| 1938 | Parliamentary Government in England — A Commentary | G. Allen & Unwin Ltd, London | SUDOC record 08664582X · swisscovery record 991029530559705501 |
| 1940 | The American Presidency — An Interpretation | George Allen & Unwin, London | SUDOC record 134211839 · swisscovery record 991030689229705501 |
| 1940 | The Rights of man | Macmillan, London | German National Library record 361137478 · BnF catalogue record cb39213613w |
| 1944 | Faith, Reason and Civilisation — An Essay in Historical Analysis | Victor Gollancz Ltd, London | German National Library record 1032195878 · BnF catalogue record cb374503884 |
| 1948 | The American Democracy — A Commentary and an Interpretation | Viking Press, New York | SUDOC record 084952539 · swisscovery record 991015249979705501 |
| 1951 | Reflections on the Constitution — The House of Commons, the Cabinet [and] the Civil Service | Manchester University Press, Manchester, Eng. | Open Library |
| 1953 | Holmes-Laski Letters — The Correspondence of Mr. Justice Holmes and Harold J. Laski, 1916-1935 | Harvard University Press, Cambridge | Open Library |