Daboll's Schoolmaster's Assistant: Improved and Enlarged, Being a Plain Practical System of Arithmetic ; Adapted to the United StatesSamuel Green, 1813 - 240 σελίδες |
Daboll's Schoolmaster's Assistant: Improved and Enlarged, Being a Plain Practical System of Arithmetic ; Adapted to the United StatesSamuel Green, 1813 - 240 σελίδες |