Voster, E. (1772). Arithmetick in whole and broken numbers.: Digested after a new method, and chiefly adapted to the trade of Ireland. To which is added (never before printed) instructions for book-keeping. By Elias Voster. The tenth edition, carefully printed from the last edition revised by Daniel Voster. printed by Bart. Corcoran.

Voster, Elias. Arithmetick in Whole and Broken Numbers.: Digested After a New Method, and Chiefly Adapted to the Trade of Ireland. To Which Is Added (never Before Printed) Instructions for Book-keeping. By Elias Voster. The Tenth Edition, Carefully Printed from the Last Edition Revised by Daniel Voster. printed by Bart. Corcoran, 1772.