His American growth and the balance of payments, 1820-1913, 1964.

Migration and the international labour market, 1850-1939, 1994: CIP t.p. (Jeffrey G. Williamson) CIP data sheet (b. 11-26-35)

Growth, inequality, and globalization, 1998: CIP t.p. (Jeffrey Williamson; Harvard University) publ. info. (author of The age of mass migration)

BL database, 5 Nov. 2003 (hdg.: Williamson, Jeffrey G. (Jeffrey Gale), 1935-)

Modeling urbanization and economic growth, 1980: t.p. (J.G. Williamson) p. 85 (Jeffrey G. Williamson; Visiting Research Scholar, International Institute for Applied Systems Analysis; prof. of economics, Univ. of Wisconsin, Madison)

Ischnos kapitalismos, 2010: t.p. (Tzephrey Gouiliamson)