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Cover for George Humphrey · Humanity's Choice (Paperback Book) (2019)

Humanity's Choice (2019)

George Humphrey

Cover for George Humphrey · The Nature of Learning: In Its Relation to the Living System (Paperback Book) (2014)

The Nature of Learning: In Its R... (2014)

George Humphrey

Cover for George Humphrey · Thinking - an Introduction to Its Experimental Psychology (Hardcover Book) (2008)

Thinking - an Introduction to It... (2008)

George Humphrey

Cover for George Humphrey · Directed Thinking (Paperback Book) (2007)

Directed Thinking (2007)

George Humphrey

Cover for George Humphrey · Thinking - an Introduction to Its Experimental Psychology (Paperback Book) (2007)

Thinking - an Introduction to It... (2007)

George Humphrey

Cover for George Humphrey · Luke Out!: 25 Lively Stories from Luke's Gospel (Paperback Book) (2005)

Luke Out!: 25 Lively Stories fro... (2005)

George Humphrey

Cover for George Humphrey · The Nature of Learning: In Its Relation to the Living System (Hardcover Book) (1999)

The Nature of Learning: In Its R... (1999)

George Humphrey