Peter,

I guess you've seen this index card:
https://webarchive.nationalarchives.gov.uk/+/http://www.movinghere.org.uk/deliveryfiles/PRO/HO396_32_011/0/1.pdf

Also, 
https://www.iwm.org.uk/collections/search?filters%5BmakerString%5D%5BHaar%2C%20Zygmunt%20and%20Leopold%5D=on

2nd Polish Corps Fight in Italy
Haar, Zygmunt and Leopold (Undefined) Polish Public Relations Unit (publisher/sponsor)

Regards,

Sherri Bobish