Pamphlets, ballads, broadsheets, and other ephemera.

The Harleian Miscellany;
or, a Collection of Scarce, Curious, and Entertaining Pamphlets and Tracts, as well in manuscript as in print, selected from the Library of Edward Harley, Second Earl of Oxford. Interspersed with historical, political, and critical annotations, by the late William Oldys, Esq. And some additional notes, by Thomas Parke, F.S.A. London, White and Co. and John Murray, and John Harding, 1809-1812.

Though the type is small, the printing is very neat, and the scanning of this edition was done with particular care. Many other editions may be found on Google Books.
Vol. 1

Vol. 2

Vol. 3

Vol. 4

Vol. 5

Vol. 6

Vol. 7

Vol. 8

Vol. 9 (Supplement 1)

Vol. 10 (Supplement 2)