The book "Spanning Trees and Optimization Problems" can be found in the following libraries:
/* This list was compiled by manual search, and is far from complete. */

Academia Sinica (Math. Library; 中研院數學所)
Birmingham Southern College
Bogazici University, Istanbul,Turkey
Bowling Green State University
Brigham Young University
British Library. Wetherby W Yorkshire,United Kingdom
California State University, East Bay
California State University, Northridge
Carnegie Mellon University
Chinese University of Hong Kong
City University of Hong Kong
Colorado College
Colorado State University
Cornell University
Deakin University, Australia
Eastern Illinois University
ENS-Lyon, France
Fudan University, China (復旦大學)
Gazi University, Turkey
George Mason University
Georgia Institute of Tech
Holon Academic Institute of Technology, Israel
Hong Kong University
Hong Kong University of Science & Tech
Indiana University
Iowa State University
Kyushu University
Lawrence University
McGill University, Canada
Massachusetts Institute of Tech (MIT)
Michigan State Univesity
Ming Chuan University (銘傳大學)
Minot State University (North Dakota University System)
National Chiao-Tung University (交通大學)
National Defense University (國防大學)
National Taiwan University (台灣大學)
National Taiwan Ocean University (海洋大學)
National Tsing-Hua University (清華大學)
National Yunlin University of Science & Technology (雲林科技大學)
National University of Singapore
New York University
Northwestern University
Peking University (北京大學)
Purdue University
Reed College
Rensselaer Polytechnic Institute
Rice University
Ruprecht-Karls-Universität Heidelberg, Germany
Shu-Te University (樹德科技大學)
Simon Fraser University, Canada
Smith College
SUNY at Buffalo
Stanford University
Syracuse University
Temple University
Texas A&M University
The Catholic University of America
The Institute of Statistical Mathematics (日本統計數理研究所), Japan
The Open University of Israel, Israel
UCLA
Unisa: Muckleneuk Main Cam, Pretoria, South Africa
Universidad Autónoma de Madrid, Spain
UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO, Mexico
Universitat de Barcelona, Spain
Università di Pisa, Italy
Universität Dortmund, Germany
Universitetet I Oslo, Norway
University of Arkansas
University of Arizona
University of British Columbia, Canada
University of Calgary
University of California, Berkeley
University of California, Davis
University of California, Riverside
University of California, San Diego
University of California, Santa Barbara
University of California, Santa Cruz
University of Chicago
University of Colorado at Colorado Springs
University of Denver
University of Georgia
University of Illinois at Urbana-Champaign
University of Manitoba, Canada
University of Maryland, College Park
University of Miami
University of Michigan
University of Mississippi
University of North Carolina, Chapel Hill
University of Notre Dame
University of Ottawa, Canada
University of Portland
University of Rochester
University of Southern California
University of Southern Florida
University of Tennessee
University of Texas, Austin
University of Toronto, Canada
University of Utah
University of Virginia
University of Western Ontario, Canada
University of Wisconsin, Madison
Utrecht University, Netherlands
The "Politecnico di Milano" Technical University, Italy
The University of Auckland, New Zealand
The University of New Castle, Australia
Virginia Polytechnic Institute and State University (Virginia Tech)
West Virginia University
Yale University
Yamaguchi University (山口大学), Japan