The pilgrim's progress : from this world to that which is to come. Delivered under the similitude of a dream. In three parts. /
Bunyan, John,1628-1688.
Glasgow: : printed by John Robertson, and sold at his shop ... ,
M,DCC,LXVIII [1768]..
In three parts, each with own title page - pt.1: Glasgow: printed by John Robertson, and sold at his shop ... 1767 - pt.2: Glasgow: printed by John Robertson senior, and sold at his shop ... 1768 - pt.3: Glasgow: printed by John Robertson ... 1766.  Pt.1 is `The thirty-sixth edition'.