Michael Fordham's blog

I don't just read Geography blogs, although they make up the bulk of my online reading, alongside a shelf full of books for some proper reading... (currently the rather wonderful 'H is for Hawk')

Michael Fordham's Clio et Cetera blog has some useful posts on the nature of subject knowledge and pedagogy, which are relevant outside of the history focus that he has in his professional life.

I've made use of elements of a number of recent posts in discussions with colleagues who I meet on CPD sessions.
For example, here's a post on the importance of knowledge in the curriculum.