Probably the most effective way of finding this information is to search using interviews. Once you've found the photographer or the work that you are going to use as a part of your research initially using journals or books (Remember to compile your bibliography as you go), then use the internet once you have the photographers name. In your search pre-fix the photographers name with 'Interview'...
Check Youtube, Vimeo, Dailymotion and other video websites for video interviews.
Once you've found the information...
Find images of the work the that photographer has been inspired by. If for instance you had researched Hans Van Der Meer in one of his interviews he gives a specific example of who inspires his Football pitch series...
Hendrich Avercamps Skaters
Making these connections and doing this additional layer of research is absolutely essential if you're looking to attain higher grades. This secondary layer only really requires that you include images and then annotate the additional 'Historic' image in terms of what you recognise as being similar in the work.
This broadens your knowledge beyond photography and identifies the historical context. Furthermore it demonstrates that photographers use historic images as key reference points for their own work.
