Ruddiman, T. (1803). The rudiments of the Latin tongue, or, A plain and easy introduction to Latin grammar: Wherein the principles of the language are methodically digested, both in English and Latin : with useful notes and observations, explaining the terms of grammar, and farther [sic] improving its rules (23rd genuine ed., carefully corr. and improved.). Philadelphia: Published by John Conrad & Co..

Ruddiman, Thomas. The Rudiments of the Latin Tongue, Or, A Plain and Easy Introduction to Latin Grammar: Wherein the Principles of the Language Are Methodically Digested, Both in English and Latin : With Useful Notes and Observations, Explaining the Terms of Grammar, and Farther [sic] Improving Its Rules. 23rd genuine ed., carefully corr. and improved. Philadelphia: Published by John Conrad & Co., 1803.

Ruddiman, Thomas. The Rudiments of the Latin Tongue, Or, A Plain and Easy Introduction to Latin Grammar: Wherein the Principles of the Language Are Methodically Digested, Both in English and Latin : With Useful Notes and Observations, Explaining the Terms of Grammar, and Farther [sic] Improving Its Rules. 23rd genuine ed., carefully corr. and improved. Philadelphia: Published by John Conrad & Co., 1803.