Pieper, Josef, 1904-1997 (Personal Name)

Grundformen sozialer Spielregeln ... 1933.

Werke in acht Bänden. Band 3, 1995: title page (Josef Pieper) jacket (born 1904; emeritus professor of philosophical anthropology at the Universität Münster)

Happiness and contemplation, 1998: CIP title page (Josef Pieper) data sheet (died November 6, 1997)

Don't worry about Socrates, 2016: ECIP title page (Josef Pieper) data view (wrote three television plays) book title page (Josef Pieper) preliminary page (originally published in 1966 under the title: Kümmert euch nicht um Sokrates)

Exercises of the Elements, 2016: ECIP title page (Josef Pieper) data view (Josef Pieper was likely the most outstanding Thomist philosopher in the 20th century, and the author of dozens of works in philosophy and theology)

German Wikipedia, viewed September 27, 2018 (Josef Pieper; born May 4, 1904, in Elte (a town section of Rheine); died November 6, 1997, in Münster; Christian philosopher; taught at the Universität Münster from 1946 to 1972, when he became Emeritus, and continued to lecture there until 1996)