Дуглас, Дональд Уиллс (старший) (Russian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Дуглас, Дональд Уиллс (старший)" in Russian language version.

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1britannica.com

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britannica.com

Donald Douglas // Encyclopædia Britannica (англ.)

doi.org

dx.doi.org

Launius R. D. Douglas, Donald Wills (06 April 1892–01 February 1981), aeronautical engineer and airplane manufacturing executive (англ.) // American National Biography Online / S. Ware — New York City: Oxford University Press, 2017. — ISSN 1470-6229 — doi:10.1093/ANB/9780198606697.ARTICLE.2001430

wikidata.org

Launius R. D. Douglas, Donald Wills (06 April 1892–01 February 1981), aeronautical engineer and airplane manufacturing executive (англ.) // American National Biography Online / S. Ware — New York City: Oxford University Press, 2017. — ISSN 1470-6229 — doi:10.1093/ANB/9780198606697.ARTICLE.2001430

wikipedia.org

en.wikipedia.org

Launius R. D. Douglas, Donald Wills (06 April 1892–01 February 1981), aeronautical engineer and airplane manufacturing executive (англ.) // American National Biography Online / S. Ware — New York City: Oxford University Press, 2017. — ISSN 1470-6229 — doi:10.1093/ANB/9780198606697.ARTICLE.2001430

worldcat.org

Launius R. D. Douglas, Donald Wills (06 April 1892–01 February 1981), aeronautical engineer and airplane manufacturing executive (англ.) // American National Biography Online / S. Ware — New York City: Oxford University Press, 2017. — ISSN 1470-6229 — doi:10.1093/ANB/9780198606697.ARTICLE.2001430