xii, 50pp, 70 black and white photographic plates. Maroon cloth-covered boards; gilt titles on spine. Folio. Sun-faded spine, rubbed joints, corners and spine ends with cloth wearing; shelf number label taped to spine. Text block edges of text pages tanning, plates pages remain bright. Lender's stamps and markings on endpapers, and copyright page, endpapers starting to tan; hinges cracked and strained, volume quite loose. Otherwise, internally neat and clean.