A practical system of book-keeping by single and double entry : containing forms of books and practical exercises, adapted to the use of the farmer, mechanic, merchant, and professional man
A detailed study of serious problems now cofronting all users of the International St. Lawrence Seaway (Montreal-Lake Ontario) and all- Canadian Welland Ship Canal
The united and much admired system of arithmetic and mental calculations of Doctor Willcolkes and Messrs. T. and T.W. Fryer : being the result of many years' study