"Sciences naturelles." . . . . . . "Guidebooks"@en . "Guidebooks" . . . . . . . . . . . . . "For other editions, see Author Catalog."@en . . . . . . . . . . . . . . . "The Summit of the Years. [With a portrait.]"@en . . "The summit of the years"@en . "The summit of the years" . . . . "Natural history Outdoor books." . . "Animaux." . . "Nature." . . "Natural history" . .