A Trend Analysis of Volumes Added to the ARL Libraries.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Wang, Chih
Format:	Recurso educativo Open Access
Language:	en
Published:	1985
Subjects:	Academic Libraries Futures (of Society) Higher Education Library Acquisition Library Associations Library Collections Library Surveys Prediction Research Libraries Research Methodology Tables (Data) Trend Analysis
Online Access:	Acceder al recurso
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Smoothing Forecasting Methods for Academic Library Circulations: An Evaluation and Recommendation.
by: Brooks, Terrence A., et al.
Published: (1986)

Research Library Trends, 1951-1980 and Beyond: An Update of Purdue's "Past and Likely Future of 58 Research Libraries."
by: Seibert, Warren F., et al.
Published: (1988)

Collaborative Collections Management Programs in ARL Libraries. SPEC Kit 235.
by: Soete, George J., Comp.
Published: (1998)

Preservation Study at the Syracuse University Libraries.
by: Bond, Randall, et al.
Published: (1987)

ARL Statistics, 1998-99: A Compilation of Statistics from the One Hundred and Twenty-One Members of the Association of Research Libraries.
by: Kyrillidou, Martha, Comp., et al.
Published: (2000)

The Changing Print Resource Base of Academic Libraries in the United States.
by: Perrault, Anna H.
Published: (1995)

The Education of the Acquisitions Librarian: A Survey of ARL Acquisitions Librarians.
by: Schmidt, Karen A.
Published: (1991)

Effective Bibliographic Instruction Programs: A Comparison of Coordinators and Reference Heads in ARL Libraries.
by: Blazek, Ron
Published: (1985)

ARL Statistics, 1997-98: A Compilation of Statistics from the One Hundred and Twenty-Two Members of the Association of Research Libraries.
by: Kyrillidou, Martha, Comp., et al.
Published: (1999)

Physical Condition of the Collections at E. H. Butler Library, State University College at Buffalo: Report of a Survey.
by: Xanco, Mary Lee C., et al.
Published: (1988)

The Distribution of Use of Library Materials: Analysis of Data from the University of Pittsburgh.
by: Hayes, Robert M.
Published: (1981)

University Libraries and Scholarly Communication: A Study Prepared for the Andrew W. Mellon Foundation.
by: Lee, Sul H., Ed., et al.
Published: (1996)

Academic Library Statistics. Fall 1980, Fall 1981, Fall 1982, Fall 1983. Report Number 12-84.
Published: (1984)

Results of the Brittle Book Survey Conducted in the Wadsworth Public Library.
by: Kreider, Louisa J.
Published: (1990)

Ratings of Journals by ARL Library Directors and Deans of Library and Information Science Schools.
by: Kohl, David F., et al.
Published: (1985)

ARL Statistics, 1992-93. A Compilation of Statistics from the One Hundred and Nineteen Members of the Association of Research Libraries.
by: Daval, Nicola, Comp., et al.
Published: (1994)

The Growth of Interlibrary Loans among ARL University Libraries.
by: Waldhart, Thomas J.
Published: (1984)

Testing for Markov-Chain Properties in the Circulation of Social-Science Monographs.
by: Coady, Reginald P.
Published: (1984)

Weeding of Academic Library Reference Collections: A Survey of Current Practice.
by: Engeldinger, Eugene A.
Published: (1986)

Acquisition and Use of General Encyclopedias in Small Academic Libraries.
by: Bailey, Edgar C., Jr.
Published: (1985)

Managing Food and Drink in ARL Libraries. SPEC Kit 237.
by: Soete, George J., Comp.
Published: (1998)

ARL Annual Salary Survey, 1993.
by: Fretwell, Gordon, Comp., et al.
Published: (1994)

A Review of Futures Research in Librarianship.
by: Morrison, Elizabeth
Published: (1980)

Library Support for Science Research and Education in Leading Liberal Arts Colleges: Survey Results.
by: Ricker, Alison S., et al.
Published: (1990)

Current Initiatives and Issues in Collection Management.
by: Bennett, Scott
Published: (1984)

ARL Preservation Statistics, 1995-96: A Compilation of Statistics from the Members of the Association of Research Libraries.
by: Kyrillidou, Martha, Comp., et al.
Published: (1997)

ARL Supplementary Statistics, 2000-01.
by: Young, Mark, Comp., et al.
Published: (2002)

Collection Overlap in the LCS Network in Illinois.
by: Potter, William Gray
Published: (1986)

Rationalization of Periodical Holdings: A Case Study at Chalmers University Library.
by: Fjallbrant, Nancy
Published: (1984)

Library Use Patterns among Full- and Part-Time Faculty and Students.
by: Whitlatch, Jo Bell
Published: (1983)

Fact-File: 1983-84 Holdings of Research Libraries in U.S., Canada.
Published: (1985)

Collection Growth and Expenditures in Academic Libraries: A Preliminary Inquiry.
by: Werking, Richard Hume
Published: (1991)

Resource Strategies in the 90s: Trends in ARL University Libraries. Occasional Paper 16.
by: Melville, Annette
Published: (1994)

Educational Change among ACRL Academic Librarians, 1973 and 1978.
by: Swisher, Robert D., et al.
Published: (1983)

Evaluation of the Collections of Saudi University Libraries Based on the ACRL Standards.
by: Ashoor, Mohammad Saleh
Published: (1992)

How Libraries Grow: A Brief Look Backward (and Forward).
by: Seibert, Warren F.
Published: (1985)

Life Cycle Costs of Library Collections: Creation of Effective Performance and Cost Metrics for Library Resources.
by: Lawrence, Stephen R., et al.
Published: (2001)

Crerar/Chicago Library Merger.
by: Cairns, Paul M.
Published: (1986)

Tour Trends in Academic ARL Libraries.
by: Oling, Lori, et al.
Published: (2002)

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