Edward George Hartmann: The history of the Welsh Congregational church of the City of New York, (Swansea, 1969), 40pp.
First Welsh Congregational Church, Plymouth, Pennsylvania (a suburb of Wilkes-Barre): 100th anniversary, 1864-1964, (Wilkes-Barre, 1964), pp.
David Jones: Memorial volume of Welsh Congregationalists in Pennsylvania, U.S.A.: their churches, periodical convocations, clergy and prominent lay members, (Utica, New York, 1934), viii, 360pp.
J. Vincent Jones: Welsh Congregational church, Gomer, Ohio: history, constitution, by-laws, 1833-1915, (Lima, Ohio, 1915), pp.
Vincent Jones: The saga of the Central South Welsh Congregational Association and Y Gymanfa, 1840-1954, [s.l.: 1954], 22pp.
Vincent Jones: The saga of the Welsh Congregational church, Lawrence Street, Cincinnati, Ohio, 1840-1952, [s.l.: 1952), 35pp.
John H. King: 150th anniversary Junedale United Church of Christ (Coleraine Congregational) Junedale Pa., (former names: Beaver Meadow Welsh, Coleraine Welsh Congregational), (Hazleton, Pa., 1987), pp.
V.E. Lewis: Memorial book: a brief account of the outstanding events of the Welsh Congregational church, Edwardsville, Pa., for the past ten years, 1918-1928, (Edwardsville, Pa., 1928), 62pp.
Miner Congregational church (formerly Mill Creek), Pennsylvania: 50th anniversary of the edifice and the rededication services, November 7-8-11, 1945. (Wilkes Barre, 1945), 13pp.
Alfred J. Reese: The Welsh Congregational church of Lansford, Carbon County Pennsylvania, preservation society: restoration ceremony Abbott-Center Streets, Lansford, Pennsylvania, Sunday, August 17, 1986, (Lansford, 1986), pp.
William T. Richards: A brief history of the English Congregational church, Lansford, Pennsylvania: founded by the Welsh, English in services, [s.l.: s.d.], Typescript, 2 leaves.