All docs about Polish airmens are stored in two places: IPMS London and Northolt airbase (
Northolt is an military area - all visits must be announced). I'm sure you find all information about F/L. Julian Wielgosz on his personal folder - you can get the copy of all personal docs for 30₤
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Instytut Polski i Muzeum im. gen. Sikorskiego
20 Princes Gate, London SW7 1PT
Phone: 020 7589 9249
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Ministry of Defence
APC Polish Enquiries
West End Road Ruislip, Middlesex HA4 6NG
Phone: 020 8833 8603
Fax: 020 8833 8866
Mail:
polishasstdisoff@northolt.raf.mod.uk