Jenkins, H. M. (1897). Historical collections relating to Gwynedd [microform]: A township of Montgomery County, Pennsylvania, settled, 1698, by immigrants from Wales, with some data referring to the adjoining township of Montgomery, also settled by Welsh (2d ed.). Philadelphia: Jenkins.

Jenkins, Howard Malcolm. Historical Collections Relating to Gwynedd [microform]: A Township of Montgomery County, Pennsylvania, Settled, 1698, By Immigrants From Wales, With Some Data Referring to the Adjoining Township of Montgomery, Also Settled By Welsh. 2d ed. Philadelphia: Jenkins, 1897.

Jenkins, Howard Malcolm. Historical Collections Relating to Gwynedd [microform]: A Township of Montgomery County, Pennsylvania, Settled, 1698, By Immigrants From Wales, With Some Data Referring to the Adjoining Township of Montgomery, Also Settled By Welsh. 2d ed. Philadelphia: Jenkins, 1897.