The Holothurioidea / by Hubert Ludwig.

v.17:no.3 (1894)

Asteroidea / by Hubert Lyman Clark.

v.39:no.3 (1920)

Hawaiian and other Pacific Echini / by Alexander Agassiz and Hubert Lyman Clark.

v.34:no.1 (1907)

Jamaican fossil Echini / by Benjamin Walworth Arnold and Hubert Lyman Clark. With descriptions of new species of Cainozoic Echinoidea / by Herbert L. Hawkins.

v.50:no.1 (1927)

Hawaiian and other Pacific Echini / by Alexander Agassiz and Hubert Lyman Clark.

v.34:no.2 (1908)

Some additional fossil Echini from Jamaica / by Benjamin Walworth Arnold and Hubert Lyman Clark.

v.54:no.2 (1934)

Hawaiian and other Pacific Echini / by Alexander Agassiz and Hubert Lyman Clark.

v.34:no.3 (1909)

Holothurioidea / by Hubert Lyman Clark.

v.39:no.4 (1920)

Hawaiian and other Pacific Echini / by Alexander Agassiz and Hubert Lyman Clark.

v.46:no.1 (1914)

Echinoderms from Australia : an account of collections made in 1929 and 1932, with 28 plates (16 colored) and 64 text figures / by Hubert Lyman Clark.

v.55 (1938)