William Ralph Maxon (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "William Ralph Maxon" in English language version.

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ipni.org

C. A. Weatherby (October–December 1948). "William R. Maxon". American Fern Journal. 38 (4): 98–105. JSTOR 1545163.

Hassler, Michael & Schmitt, Bernd (January 2020), "Maxonia", Checklist of Ferns and Lycophytes of the World, 8.20, archived from the original on 2017-09-02, retrieved 2020-01-17

Bain, Alan L. (February 2, 2006). "Record Unit 223, United States National Museum, Division of Plants, Records, 1899-1947". Smithsonian Institution Archives. Archived from the original on 2010-06-25. Retrieved 2014-12-31. For the current version of this webpage, see "SIA RU000223, United States National Museum Division of Plants, Records, 1899-1947".. The later version does not indicate authorship.

In 1957, The United States National Museum was divided into two subdivisions. One became the National Museum of Natural History, which currently holds the collections that Maxon helped build. The second subdivision was the Museum of History and Technology. See "A Brief History". Smithsonian National Museum of Natural History. Archived from the original on 2016-01-21. Retrieved 2015-01-01.

Bain, Alan L. (February 2, 2006). "Record Unit 223, United States National Museum, Division of Plants, Records, 1899-1947". Smithsonian Institution Archives. Archived from the original on 2010-06-25. Retrieved 2014-12-31. For the current version of this webpage, see "SIA RU000223, United States National Museum Division of Plants, Records, 1899-1947".. The later version does not indicate authorship.
In 1957, The United States National Museum was divided into two subdivisions. One became the National Museum of Natural History, which currently holds the collections that Maxon helped build. The second subdivision was the Museum of History and Technology. See "A Brief History". Smithsonian National Museum of Natural History. Archived from the original on 2016-01-21. Retrieved 2015-01-01.
Hassler, Michael & Schmitt, Bernd (January 2020), "Maxonia", Checklist of Ferns and Lycophytes of the World, 8.20, archived from the original on 2017-09-02, retrieved 2020-01-17