http://blog.penelopetrunk.com/2004/04/09/dont-be-a-generalist-typecast-yourself/

https://www.gsb.stanford.edu/faculty-research/publications/specialization-career-dynamics-evidence-indian-administrative-service

http://www.theartcareerproject.com/advertising-photography/966/

http://www.theartcareerproject.com/celebrity-photographe/993/

http://www.theartcareerproject.com/photojornalism/809/

http://www.theartcareerproject.com/underwater-photography/747/

http://www.theartcareerproject.com/wedding-photograph/853/

http://www.theartcareerproject.com/aerial-photography/902/

http://www.theartcareerproject.com/wildlife-photograph/946/

http://www.theartcareerproject.com/