"How to know the spring flowers" . "How to know the spring flowers"@en . . . . "How to know the spring flowers : pictured-keys for determining the more common spring-flowering herbaceous plant with suggestions and aids for their study" . "How to know the spring flowers : pictured-keys for determining the more common spring-flowering herbaceous plant with suggestions and aids for their study"@en . . "How to know the spring flowers pictured-keys for determining the more common spring-flowering herbaceous plant with suggestions and aids for their study"@en . . . . . "How to know the spring flowers : pictured-keys for determining the more common spring-flowering herbaceous plants, with suggestions and aids for their study"@en . "How to know the spring flowers : pictured-keys for determining the more common spring-flowering herbaceous plants, with suggestions and aids for their study" . . . "How to know the spring flowers; pictured-keys for determining the more common spring-flowering herbaceous plants with suggestions and aids for their study"@en . "How to know the spring flowers pictured-keys for determining the more common spring-flowering herbaceous plants with suggestions and aids for their study"@en . . "How to know the spring flowers ; pictured-keys for determining the more common spring-flowering herbaceous plant with suggestions and aids for their study" . . . "How to know the spring flowers pictured-keys for determining the more common spring-flowering herbaceous plant with suggestions and aids for their study. Rev. ed" . . . . . . . . . . "Guidebooks"@en . "Guidebooks" . . . . . . . . . . . . . . . . "How to know the spring flowers; pictured-keys for determining the more common spring-flowering herbaceous plant with suggestions and aids for their study"@en . . . . . . . "Spring flowers"@en . . "Spring flowers" . "Printemps." . . "Fleurs." . . "Fleurs sauvages Canada." . . "Phytogéographie." . . "Botanique Amérique du Nord." . . "Fleurs sauvages États-Unis." . . . .