A natural history of birds : most of which have not been figur'd or describ'd, and others very little known from obscure or too brief descriptions without figures, or from figures very ill design'd
Vol. 1 has title: A natural history of uncommon birds.
Vols. 5-7 have title: Gleanings of natural history : exhibiting figures of quadrupeds, birds, insects, plants, &c., most of which have not, till now, been either figured or described.
Vols. 5-7 have added title page in French: Glanures d'histoire naturelle.
Vols. 5-7 have text in English and French in parallel columns.
"The author seems to have intended each volume to be the last one, but extended the work to four parts and continued it under the title of 'Gleanings of natural history' to seven parts."--Catalogue of the Edward E. Ayer Ornithological Library, page 193.
A natural history of birds : most of which have not been figur'd or describ'd, and others very little known from obscure or too brief descriptions without figures, or from figures very ill design'd [Part I] 1743
A natural history of birds : most of which have not been figured or described, and others very little known, from obscure or too brief descriptions without figures, or from figures very ill designed Part II 1747
A natural history of birds : the most of which have not hitherto been figured or described, and the rest, by reason of obscure, or too brief descriptions, without figures, or of figures very ill design'd, are hitherto but little known Part III 1750
A natural history of birds: the most of which have not hitherto been either figured or described, and the rest, by reason of obscure, or too brief descriptions without figures, or of figures very ill designed, are hitherto but little known Part IV 1751
Gleanings of natural history : exhibiting figures of quadrupeds, birds, insects, plants, etc. most of which have not, till now, been either figured or described [Part I] 1758
Gleanings of natural history : exhibiting figures of quadrupeds, birds, insects, etc. most of which have not, till now, been either figured or described Part II 1760
Gleanings of natural history : containing figures of quadrupeds, birds, insects, plants, etc most of which have not, till now, been either figured or described Part III 1764