Canada Royal Society: Proceedings & Transactions of: Published at Ottawa in the English language. 20 mostly thick volumes dating between 1901–1923. Many long works inside on remote Canadian exploration, travel, history, literary, scientific, & the like. Much concerns 17th & 18th century exploration. Profusely illustrated with maps and pictures. Quality paper. Small library bookplate inside covers, no other ownership markings. 4 feet of shelf. Generally very good condition.