Baillie, G. H. & H. Alan Lloyd (trans) (edit F. A. B. Ward). books & textbook
Planetarium of Giovanni De Dondi, Citizen of Padua
Baillie, G. H. & H. Alan Lloyd (trans) (edit F. A. B. Ward).
Antiquarian Horological Society /1974T Hardcover
isbn-10: 0901180106 / isbn-13: 9780901180100
