Patent Office Library series
Printed for H. M. Staionery off
Printed for His Majesty's Stationery Office : Patent Office 1924 Patent Office Library series no. 8
所蔵館3館
Printed for His Majesty's Stationery Office by Darling , Patent Office 1901 Patent Office Library series no. 4
所蔵館1館
Printed for H.M.S.O. by Darling 1900 Patent Office Library series no. 3 . Bibliographical series ; no. 2