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Bibliography of Yorkshire Geology — 
1534—1914, 
By T. SHEPPARD, M.Sc., F.G.S/, F-R.G.S.. F.S.A. (SCOT.) 
Sv0, xxxvi. + 629 pp. 15]= net. 
This forms Volume XVIII. of the Proceedings of the Yorkshire 
Geological Society. It contains full references to more than 6,300 
books, monographs and papers relating to the geology and physical 
geography of Yorkshire, and to more than 400 geological maps and 
sections, published between 1534 and 1914. In its preparation over 
.700 sets of Scientific Journals, Reports, Transactions and Magazines 
have been examined. There is an elaborate index containing over 
26,500 references to subjects, authors and localities. 
Lonpon : A. BROWN & SONS, Ltp., 5 Farringdon Avenue, E.C. 
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