He wrote the first textbook on quantum mechanics Fundamentals of Quantum Mechanics (1931,1978) and a very influential monograph The Theory of Space, Time and Gravitation (1955).
Dia menulis buku teks pertama mengenai mekanika kuantum bertajuk Foundations of Quantum Mechanics (1931) dan sebuah monograf yang sangat berpengaruh berjudul The Theory of Space, Time and Gravitation (1955).