Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1851)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1854)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1858)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1896)

A monograph on the fossil Lepadidæ, or, Pedunculated Cirripedes of Great Britain - Darwin, Charles, 1809 -1882 (Printed for the Palæontographical Society, 1851)

Monograph on the fossil reptilia of the London clay - Owen, Richard, 1804 -1892 (Palaeontographical Society, 1850)

A monograph on the Polychaeta of Southern Africa - Day, J. H. (British Museum (Natural History), 1967)

A monograph on the Polychaeta of southern Africa - Day, J. H. (BM(NH), 1967)

A monograph on the sub-class Cirripedia, with figures of all the species - Darwin, Charles, 1809 -1882 (Ray society, 1851)

Monographie der capitelliden des golfes von Neapel und der angrenzenden meeres-abschnitte, nebst untersuchungen zur vergleichenden anatomie und physiologie - Eisig, Hugo 1847 -1920 (Friedländer, 1887)

Monographie des Cirrhipèdes ou Thécostracés - Gruvel, A. (Abel), 1870 -1941 (Masson et cie, 1905)