The Echinoderms newsletter - National Museum of Natural History (U.S.). Department of Invertebrate Zoology (Echinoderms) (Dept. of Invertebrate Zoology (Echinoderms), National Museum of Natural History, Smithsonian Institution, 1972)

The Echinoderms newsletter - National Museum of Natural History (U.S.). Department of Invertebrate Zoology (Echinoderms) (Dept. of Invertebrate Zoology (Echinoderms), National Museum of Natural History, Smithsonian Institution, 1974)

The Echinoderms newsletter - National Museum of Natural History (U.S.). Department of Invertebrate Zoology (Echinoderms) (Dept. of Invertebrate Zoology (Echinoderms), National Museum of Natural History, Smithsonian Institution, 1975)

The Echinoderms newsletter - National Museum of Natural History (U.S.). Department of Invertebrate Zoology (Echinoderms) (Dept. of Invertebrate Zoology (Echinoderms), National Museum of Natural History, Smithsonian Institution, 1976)

The Echinoderms newsletter - National Museum of Natural History (U.S.). Department of Invertebrate Zoology (Echinoderms) (Dept. of Invertebrate Zoology (Echinoderms), National Museum of Natural History, Smithsonian Institution, 1977)

The Echinoderms newsletter - National Museum of Natural History (U.S.). Department of Invertebrate Zoology (Echinoderms) (Dept. of Invertebrate Zoology (Echinoderms), National Museum of Natural History, Smithsonian Institution, 1979)

The Echinoderms newsletter - National Museum of Natural History (U.S.). Department of Invertebrate Zoology (Echinoderms) (Dept. of Invertebrate Zoology (Echinoderms), National Museum of Natural History, Smithsonian Institution, 1980)

The Echinoderms newsletter - National Museum of Natural History (U.S.). Department of Invertebrate Zoology (Echinoderms) (Dept. of Invertebrate Zoology (Echinoderms), National Museum of Natural History, Smithsonian Institution, 1982)

The Echinoderms newsletter - National Museum of Natural History (U.S.). Department of Invertebrate Zoology (Echinoderms) (Dept. of Invertebrate Zoology (Echinoderms), National Museum of Natural History, Smithsonian Institution, 1984)

The Echinoderms newsletter - National Museum of Natural History (U.S.). Department of Invertebrate Zoology (Echinoderms) (Dept. of Invertebrate Zoology (Echinoderms), National Museum of Natural History, Smithsonian Institution, 1985)

The Echinoderms newsletter - National Museum of Natural History (U.S.). Department of Invertebrate Zoology (Echinoderms) (Dept. of Invertebrate Zoology (Echinoderms), National Museum of Natural History, Smithsonian Institution, 1986)

The Echinoderms newsletter - National Museum of Natural History (U.S.). Department of Invertebrate Zoology (Echinoderms) (Dept. of Invertebrate Zoology (Echinoderms), National Museum of Natural History, Smithsonian Institution, 1989)

The Echinoderms newsletter - National Museum of Natural History (U.S.). Department of Invertebrate Zoology (Echinoderms) (Dept. of Invertebrate Zoology (Echinoderms), National Museum of Natural History, Smithsonian Institution, 1991)