Observations on the present convention with Spain.
Robins, Benjamin,1707-1751.
London : printed for T. Cooper,
1739.
Variant with pp.9-16 misnumbered 17-24.
Anonymous. By Benjamin Robins.
With a half-title.
Hanson 5314, Goldsmiths' 7688
ESTC
Also reproduced on microfilm. New Haven, CT: Research Publications, Inc., 1974. Goldsmiths'-Kress Library of Economic Literature ; reel 489, no. 7688.