Geoffrey Hull, The Linguistic Unity of Northern Italy and Rhaetia, Sydney, Beta Crucis Editions, 2017: vol. I Historical introduction. Phonology pp. LXIV + 578 [ISBN 9781549913280]; vol. II Morphology and Syntax. Conclusion and Corollary. Toponymic List, pp. XLIX + 464 [ISBN 9781549879982]