Oldroyd was a collector of Lincolniana for forty years.

This work, then, is an exhaustive list of "foreigners"-mostly Germans-who immigrated into the Province and, later, the State of Pennsylvania between the years 1727 and 1775 and again during the years 1786-1808.

"The County Courthouse Book is a concise guide to county courthouses and courthouse records.

For list of publications see covers, pt. 28/30, April/June, 1890, p. x; pt. 82, December 1900, p. iii-iv.