 Linear Operator Theory in Engineering and Science (Applied Mathematical Sciences) (Volume 0) by Arch W. Naylor, George R. Sell, 20000223
 Fundamentals of the Theory of Operator Algebras (Graduate Studies in Mathematics, V. 15) by John R. Ringrose Richard V. Kadison, 19970701
 Operator Methods in Quantum Mechanics by Martin Schechter, 20030203
 Operator Theory for Electromagnetics: An Introduction by George W. Hanson, Alexander B. Yakovlev, 20101102
 Operator Algebras: Theory of C*Algebras and von Neumann Algebras (Encyclopaedia of Mathematical Sciences) by Bruce Blackadar, 20091215
 Theory of Operator Algebras I (Operator Algebras and NonCommulative Geometry V) by M. Takesaki, 20011218
 Operator Theory in Function Spaces (Mathematical Surveys and Monographs) by Kehe Zhu, 20070523
 Elements of Operator Theory by Carlos S. Kubrusly, 20101126
 An Invitation to Operator Theory (Volume 50) and Problems in Operator Theory (Volume 51) (v. 50) by Y. A. Abramovich and C. C. Aliprantis, 20020910
 A Course in Operator Theory (Graduate Studies in Mathematics) by John B. Conway, 19991026
 Spectral Theory of Linear Operators: and Spectral Systems in Banach Algebras (Operator Theory: Advances and Applications) by Vladimir MÃ¼ller, 20071023
 Basic Operator Theory by Israel Gohberg, Seymour Goldberg, 20010727
 Banach Algebra Techniques in Operator Theory (Graduate Texts in Mathematics) (v. 179) by Ronald G. Douglas, 19980727
 Composition Operators: and Classical Function Theory (Universitext / Universitext: Tracts in Mathematics) (Volume 0) by Joel H. Shapiro, 19930826
