“Sev­eral alter­na­tive schemes for label­ing fore-edges were devised by sev­en­teenth cen­tury librar­i­ans, includ­ing the past­ing on of paper tabs or labels, attached to either the boards or one of the leaves, car­ry­ing shelf num­bers or titles.” — David Pear­son, Eng­lish Book­bind­ing Styles, 1450–1800: A Hand­book (Lon­don, 2005), p. 107.