salt was not only loved but needed A Brief History of Salt cakes of salt ancient Rome “salt routes” crisscrossed the globe 'A brief history of salt', 15 Mar. 1982 Especially in Africa 'A brief history of salt', 15 Mar. 1982 Via Salaria 'A brief history of salt', 15 Mar. 1982 "A brief history of salt" 'A brief history of salt', 15 Mar. 1982 "A brief history of salt" 'A brief history of salt', 15 Mar. 1982 A Brief History of Salt traded salt ounce for ounce for gold 'A brief history of salt', 15 Mar. 1982 Via Salaria 'A brief history of salt', 15 Mar. 1982 humans followed, hinged on the production and distribution of salt A brief history of salt Rome "A brief history of salt" 'A brief history of salt', 15 Mar. 1982