Limited (search only) 1980-82
|
New York Public Library
|
Limited (search only) 1981
|
University of Texas at Austin
|
Limited (search only) 1982
|
University of Texas at Austin
|
Limited (search only) 1983
|
University of Texas at Austin
|
Limited (search only) 1984
|
University of Texas at Austin
|
Limited (search only) 1987
|
University of Texas at Austin
|
Limited (search only) 1987
|
New York Public Library
|
Limited (search only) 1987
|
University of Illinois at Urbana-Champaign
|
Limited (search only) 1987
|
University of California
|
Limited (search only) 1990-92
|
University of Texas at Austin
|
Limited (search only) 1990-1991
|
New York Public Library
|
Limited (search only) 1990
|
University of California
|
Limited (search only) 1990
|
University of Illinois at Urbana-Champaign
|
Limited (search only) 1990
|
University of California
|
Limited (search only) 1991
|
University of Illinois at Urbana-Champaign
|
Limited (search only) 1991-93
|
University of California
|
Limited (search only) 1992
|
University of California
|
Limited (search only) 1993
|
University of Illinois at Urbana-Champaign
|