Civil Engineer Records: "Log into Your Ancestry.co.uk Account". Archived from the original on 20 October 2013. Retrieved 19 October 2013. retrieved 29 July 2013. See the "List of Associate Members of the Institution of Civil Engineers", 1904, p. 192.
He still resided in Teddington in 1930 but no longer appeared in the Phone Book for 1931 (in 1930, his wife was domiciled at another address): see "Log into Your Ancestry.co.uk Account". Archived from the original on 20 October 2013. Retrieved 19 October 2013. retrieved 29 July 2013.
His name is found in the list of passengers of a Pan American flight from Lisbon to New York in June 1940 ("Log into Your Ancestry.co.uk Account". Archived from the original on 20 October 2013. Retrieved 19 October 2013. retrieved 29 July 2013); he must have travelled to Central America subsequently since his name is found in a list of passengers travelling on the S.S. Quirigua from Kingston to New York in the fall of 1940 ("Log into Your Ancestry.co.uk Account". Archived from the original on 20 October 2013. Retrieved 19 October 2013. retrieved 29 July 2013).
The Times of Malta 19 December 1936, p. 11; Tour p. xiii. A detailed map of the tour in the Agra fort with written indications by Oertel is preserved in the Cambridge University Library, see http://janus.lib.cam.ac.uk/db/node.xsp?id=EAD%2FGBR%2F0115%2FRCMS%2089%2F52%2F1 (last retrieved 15 July 2013). The visit to Sarnath probably took place on 20 February (Tour, p. xxi); a photo depicting the Princess of Wales in front of the Ashoka capital preserved in the Royal Collection at Windsor Castle shows her surrounded by some Europeans, one of them – one may reasonably surmise – being Oertel (see http://www.tribuneindia.com/2009/20090426/spectrum/art.htm) (last retrieved 15 June 2013).
"Oertel-Jaeger Family Website". Archived from the original on 19 September 2013. Retrieved 24 April 2013. The author of this page is thankful to Rolf Jaeger for having put to her disposal photos and letters from F.O. Oertel.
Bird, George W. 1897. Wanderings in Burma. Bournemouth: Bright & Son. https://historicaltexts.jisc.ac.uk/bl-000356111. Illustrated with photos by F.O. Oertel and Felice Beato. Some 28 photos are by Oertel.
The Times of Malta 19 December 1936, p. 11; Tour p. xiii. A detailed map of the tour in the Agra fort with written indications by Oertel is preserved in the Cambridge University Library, see http://janus.lib.cam.ac.uk/db/node.xsp?id=EAD%2FGBR%2F0115%2FRCMS%2089%2F52%2F1 (last retrieved 15 July 2013). The visit to Sarnath probably took place on 20 February (Tour, p. xxi); a photo depicting the Princess of Wales in front of the Ashoka capital preserved in the Royal Collection at Windsor Castle shows her surrounded by some Europeans, one of them – one may reasonably surmise – being Oertel (see http://www.tribuneindia.com/2009/20090426/spectrum/art.htm) (last retrieved 15 June 2013).
web.archive.org
"Oertel-Jaeger Family Website". Archived from the original on 19 September 2013. Retrieved 24 April 2013. The author of this page is thankful to Rolf Jaeger for having put to her disposal photos and letters from F.O. Oertel.
Civil Engineer Records: "Log into Your Ancestry.co.uk Account". Archived from the original on 20 October 2013. Retrieved 19 October 2013. retrieved 29 July 2013. See the "List of Associate Members of the Institution of Civil Engineers", 1904, p. 192.
He still resided in Teddington in 1930 but no longer appeared in the Phone Book for 1931 (in 1930, his wife was domiciled at another address): see "Log into Your Ancestry.co.uk Account". Archived from the original on 20 October 2013. Retrieved 19 October 2013. retrieved 29 July 2013.
His name is found in the list of passengers of a Pan American flight from Lisbon to New York in June 1940 ("Log into Your Ancestry.co.uk Account". Archived from the original on 20 October 2013. Retrieved 19 October 2013. retrieved 29 July 2013); he must have travelled to Central America subsequently since his name is found in a list of passengers travelling on the S.S. Quirigua from Kingston to New York in the fall of 1940 ("Log into Your Ancestry.co.uk Account". Archived from the original on 20 October 2013. Retrieved 19 October 2013. retrieved 29 July 2013).
