The Library handbook of genuine trade secrets and instructions for cleaning, repairing and restoring old manuscripts, engraving and books, as practised by the experts - Haslam, W. (London W. & G. Foyle, ltd, 1923)
Published anonymously in 1909 (2nd edition 1910) under title : The book of trade secrets, recipes and instructions for renovating, repairing, improving and preserving old books and prints.
Keywords: Books -- Conservation and restoration; Engravings -- Conservation and restoration; Manuscripts -- Conservation and restoration