The result of a particular view of the north level of the Fens taken in August, 1745 - Labelye, Charles 1705-1781 ([s.n.], 1748)
Goldsmiths'-Kress no. 08328.4. - Hanson, 6129. - OCLC, 23243990. - Reproduction of original from Kress Library of Business and Economics, Harvard University. - Signed and dated: Charles Labelye, Sept. 9, 1745