Existentialism from Within(1st Edition) by E.L. Allen Paperback, 198 Pages, Published 2020 by Routledge 2020-11 ISBN-13: 978-0-367-13827-1, ISBN: 0-367-13827-1
Bishop Grundtvig (Hardback or Cased Book) by E. L. Allen Hardcover, 94 Pages, Published 2019 by Wipf & Stock Publishers 9/19/2019 ISBN-13: 978-1-5326-9327-4, ISBN: 1-5326-9327-3
Bishop Grundtvig A Prophet of the North by E. L. Allen Paperback, 94 Pages, Published 2019 by Wipf And Stock 9.19.2019 ISBN-13: 978-1-5326-9326-7, ISBN: 1-5326-9326-5
From Plato to Nietzsche by E. L. Allen Paperback, 192 Pages, Published 1981 by Fawcett Books ISBN-13: 978-0-449-30768-7, ISBN: 0-449-30768-9
Christianity Among the Religions (Routledge Library Editions: Christianity) by Allen, E. L. Softcover, Published 2023 by Routledge ISBN-13: 978-0-367-63154-3, ISBN: 0-367-63154-7
The Laughter Lifeline Surviving Your Speech with the Use of Humor by L. E. Allen Paperback, 108 Pages, Published 2007 by Xlibris Corporation ISBN-13: 978-1-4257-2940-0, ISBN: 1-4257-2940-1