In four parts: nos. I-IV, V-VI, VII-VIII, IX-X, each have a separate t.p.
Microfilmed copy imperfect: all after p. 137 wanting.
Reproduction of original from Kress Library of Business and Economics, Harvard University.
Goldsmiths'-Kress no. 20726.
Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2005. Available via the World Wide Web. Access limited to licensing agreements.