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1
Imprint 1920
Available in Gale Academic OneFile.Available in Gale OneFile: Gardening and Horticulture.
Available in Gale OneFile: Environmental Studies and Policy.
Available in JSTOR Life Sciences Archive Collection.
Available in Gale OneFile: Popular Magazines.
Available in JSTOR Arts & Sciences I Archive Collection.
Available in Gale Academic OneFile Select.
Available in Science Database.
Available in Wiley Online Library.
Available in Gale General OneFile.
Available in JSTOR Free Early Journal Content.
Electronic
Journal
2
3
4
Available in Gale OneFile: Gardening and Horticulture.
Available in Gale OneFile: Environmental Studies and Policy.
Available in JSTOR Life Sciences Archive Collection.
Available in JSTOR Arts & Sciences I Archive Collection.
Available in Gale Academic OneFile Select.
Available in Wiley Article Select Tokens - Journal Frontfile Content.
Available in Science Database.
Available in Wiley Online Library.
Available in Gale General OneFile.
Electronic
Journal