Here is a list of links to other sites that you may find helpful:
West Sussex Past pictures
https://www.westsussex.gov.uk/leisure-recreation-and-community/history-and-heritage/west-sussex-past-portal/west-sussex-past-pictures-library-and-museum-images/
West Sussex Record Office
https://www.westsussex.gov.uk/leisure-recreation-and-community/history-and-heritage/west-sussex-record-office/search-record-office-catalogue-online/
Manhood Wildlife & Heritage Group
http://www.mwhg.org.uk
Britain From above
https://britainfromabove.org.uk/
Postcard Memories of Selsey
https://www.facebook.com/groups/283652325047394/
Online Parish Clerks
http://www.sussex-opc.org/index.php?t=postcard&a=&p=455&no=16&dm=L
If you know of other useful links, please contact us.