Relativistic Quantum Mechanics and Field Theory by Franz Gross 1993 HCDJ Book

VINTAGE-The World In Modern Science Matter And Quanta Leopold Infeld 1934

VINTAGE THE WORLD IN MODERN SCIENCE MATTER AND QUANTA BY LEOPOLD INFELD 1934

RELATIVISTIC QUANTUM FIELDS By Charles Nash - Hardcover

The Variational Principles of - Paperback, by Cornelius Lanczos - Very Good

The Variational Principles of Mechanics (Dover Books on Physics) - GOOD

Quantum Mechanics: Non-Relativistic Theory by Landau and Lifshitz 1965 Pergamon

Non-Relativistic Quantum Mechanics By Puri, Ravinder R. Ravinder