Rand, H.W. (1907)
The Functions of the Spiracle of the Skate. American Naturalist, 41, 287–302

Rand, H.W. & Ulrich, J.L. (1905)
Posterior Connections of the Lateral Vein of the Skate. American Naturalist, 39, 349–364

Rand, H.W. (1905)
The Skate as a Subject for Classes in Comparative Anatomy; Injection Methods. American Naturalist, 39, 365–379