Bibliography of Tyckoson, David A., by subject:

•	AIDS (Disease) -- Bibliography (5)
•	AIDS (Disease) -- Abstracts (4)
•	Online bibliographic searching (2)
•	Information retrieval (2)
•	Library catalogs and users (2)
•	Machine-readable bibliographic data (2)
•	Cataloging (2)
•	Space weapons -- Abstracts (1)
•	Fertilization in vitro, Human -- Abstracts (1)
•	Space weapons -- Bibliography (1)
•	Earthquake prediction -- Bibliography (1)
•	Human embryo -- Transplantation -- Abstracts (1)
•	Saint Helens, Mount (Wash.) -- Eruption, 1980 -- Bibliography (1)