That's a good question, particularly since Anglicanism is not so much indebted to the thought of one primary reformer like Lutheranism or Calvinisim, nor, sadly, given the wide diversity within the 'official' Anglican Communion is there a uniform agreement to what constitues classical authentic Anglicanism today (ie compare the current liberal/heterodox leadership of the PECUSA with the Global South with the Anglo-Catholics, etc)
I am still still somewhat new to Anglicanism (was confirmed in the Anglican Catholic Church almost two years ago) and haven't read a lot of the primary Anglican sources except in snippets, but Hooker and Andrewes would be good ones from what I've read in secondary sources. A good book I really like was Fathers and Anglicans, by Canon Arthur Middleton, which explored the intent/attempts of the Anglican divines (going back to Cranmer and Jewel, Hooker, Andrewes. and proceding through the following centuries through the Oxford Movement) to return to the thought/practices of the primitive Church expressed by the patristic consensus.
I'd still say the BCP (pre-1979), along with the 39 Articles and Ordinal, is probably where one can find the heart of orthodox Anglican belief, since the 'law of prayer is the law of belief' (lex orandi lex credendi