- Decerebrate rigidity of the sloth by Curt Paul Richter, 1926
- Further observations upon the placentation of the sloth (Bradypus Grieseus) by George Bernays Wislocki, 1926
- Notice on the Megatherium brought from Buenos Ayres by Woodbine Parish by William Clift, 1835
- The feeding mechanism in the Pleistocene ground sloth, Glossotherium (Contributions in science) by Virginia L Naples, 1989
- Preparation and characterization of armadillo submandibular glycoproteins by Albert W Wu, 1975
- Blood-chemical and other conditions in normal and adrenalectomized sloths by Sidney William Britton, 1938
- Burton's book of the blues: A decade of American music, 1967-1977 by Burton Wilson, 1977
- Message from the Avocadoes Who Have Achieved Enlightenment by Crescent Dragonwagon, 1977
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