Books
Boeken
1e druk 1892, 1896, 1922. Fotomechanische herdruk van de uitgave 1927, 1930, 1922
I. From the earliest times to the end of the medieval period; II. Continental ironwork of the Renaissance and later periods; III. A complete survey of the artistic working of iron in Great Britain from the earliest times. Supplementary bibliography compiled by Marian Campbell