Ulf Peder Olrog (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ulf Peder Olrog" in English language version.

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riksarkivet.se

Norlén, Håkan. "Ulf Peder T Olrog". Svenskt biografiskt lexikon (in Swedish). Retrieved 22 August 2017.

"Olrog, Ulf Peder T:son". Vem är det. Svensk biografisk handbok (in Swedish). 1969. Retrieved 22 August 2017.