Daboll's schoolmaster's assistant. [microform] : Being a plain practical system of arithmetic; adapted to the United States. / By Nathan Daboll.
- New-London [Conn.]: : Printed and sold by Samuel Green., 1800. (Copy-right secured.)
vi, , 8-136, 138-228,  p. ; 17 cm. (12mo)
- The second edition, with improvements.
- Early American imprints. First series ; no. 37278.