Book(print)#11896The Swastika: the earliest known symbol, and its migrations ; with observations on the migration of certain industries in prehistoric timesWilson, Thomas; United States National MuseumWilson, Thomas; United States National MuseumOrder using Availability
Book(print)#21889The laws of migration: read before the Royal Statistical Society, April 16, 1889Ravenstein, Ernst GeorgRavenstein, Ernst GeorgOrder using Availability