Groves, Rory Durable trades: family-centered economies that have stood the test of time / [electronic book] : Rory Groves and Allan C. Carlson. - online resource (318 pages) Electronic reproduction.: ProQuest LibCentral. Mode of access: World Wide Web. ISBN: 9781725274143 (paperback) 9781725274167 (e-book) Subjects--Topical Terms: Occupations