A new system of husbandry [electronic resource] : From experiments never before made public. With tables shewing the expence and profit of each crop. ... By C. Varley, Esq; The third edition. In three volumes. ...
C. Varley = Charles Varlo. Reproduction of original from the British Library. Available online to authorized PSU users as part of the Medicine, science, and technology series of Eighteenth century collections online.
Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. Available via the World Wide Web. Access limited by licensing agreements