Frithiof Holmgren (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Frithiof Holmgren" in English language version.

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1sciencemuseumgroup.org.uk

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1riksarkivet.se

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1web.archive.org

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archive.today

Algis J. Vingrys; Barry L. Cole Origins of Colour Vision Standards within the Transport Industry Ophthalmic and Physiological Optics, October 1986 Vol. 6, No. 4, pp. 369-375, 198

doi.org

"Obituary: Alarik Frithiof Holmgren, M.D." British Medical Journal. 2 (1916): 748. 1897. doi:10.1136/bmj.2.1916.748. PMC 2407621.

k-arv.se

Leif Wallentinsson (February 2017). "Alarik Frithiof Holmgren, 1831-1897". Kulturarv Östergötland. Retrieved December 1, 2018.

nih.gov

ncbi.nlm.nih.gov

"Obituary: Alarik Frithiof Holmgren, M.D." British Medical Journal. 2 (1916): 748. 1897. doi:10.1136/bmj.2.1916.748. PMC 2407621.

riksarkivet.se

sok.riksarkivet.se

Ragnar Granit. "A Frithiof Holmgren". Svenskt biografiskt lexikon. Retrieved December 1, 2018.

ronne.se

ergo.ronne.se

Marta & Erik Ronne. "Ett professorspar före sin tid". ergo.ronne.se. Archived from the original on March 27, 2016. Retrieved December 1, 2018.

sciencemuseumgroup.org.uk

collection.sciencemuseumgroup.org.uk

"Holmgren's coloured wool test for colour blindness, Europe, 1871-1900 | Science Museum Group Collection". collection.sciencemuseumgroup.org.uk.

web.archive.org

Marta & Erik Ronne. "Ett professorspar före sin tid". ergo.ronne.se. Archived from the original on March 27, 2016. Retrieved December 1, 2018.