Manchester & London: Abel Heywood & Son, (n. d.). 1st editon thus, i.e., by this publisher, ca 1880s. Cf. Bolton 70 [surmising a date of 1890]. 15,  pp. 8vo. 7-1/4" x 4-7/8". Original pale yellow printed wrappers, bound in later blue stiff-stock covers with paper title label to spine. Spine paper on the later covers starting to chip away. Age-toning. PO shelf label to front paste-down. A VG copy. Item #47032
OCLC shows just one holding [Cambridge], and dates the pamphlet as 1883.