These are  links to some large format resources available online.  This list is not intended to be complete or exhaustive - it's just a list of links I was familiar with at the time it was compiled. These links are for informational purposes only.

Australia

View Camera Australia  Melbourne. It hosts twice yearly online exhibitions 

Gold Street Studios  Victoria

Japan + Australia Alt Connections  Cultural exchange connecting alternative and large format photographers 

Journals

Trans Asia Photography. An international refereed open access journal based at the University of Toronto.