1888.  “Die Einheit des Geisteslebens in Bewusstsein und Tat der Menschheit.” 
       This will be published by Williams & Norgate.

1890.  “Die Lebensanschauungen der grossen Denker.”  The ninth edition
       appeared in 1911.  Changes and additions have been made in each
       succeeding edition.  English translation (1909) by W.S.  Hough and
       W.R.  Boyce Gibson under the title “The Problem of Human Life, as
       viewed by the Great Thinkers from Plato to the Present Time”
       (published by Charles Scribners’ Sons, New York; and T. Fisher
       Unwin, London).

1896.  “Der Kampf um einen geistigen Lebensinhalt.” (Second edition, with
       many changes, 1907.) A translation of this volume will be published
       by Williams & Norgate in the spring of 1913.

1901.  “Das Wesen der Religion.” (First and second editions.) This essay
       was translated by W. Tudor Jones in 1904, and was published for
       private circulation.  It is now out of print, but will soon reappear
       together with another essay, “Wissenschaft und Religion.”

1901.  “Der Wahrheitsgehalt der Religion,” 1901. (Second edition, with
       numerous changes, 1905; third edition, with changes, 1912.) The
       second edition was translated by W. Tudor Jones, and published by
       Williams & Norgate in 1911 under the title of “The Truth of Religion.” 
       A translation of the third German edition will be published at the
       close of 1912.

1901.  “Thomas von Aquino und Kant:  ein Kampf zweier Welten.”

1903.  “Gesammelte Aufsaetze zur Philosophie und Lebensanschauung.”

1905.  “Was koennen wir heute aus Schiller gewinnen?” (Kantstudien:  Sonderdruck).

1905.  “Wissenschaft und Religion.”  This comprises a chapter in the collection
       of essays entitled “Beitraege zur Weiterentwickelung der Christlichen
       Religion.”

1907.  “Grundlinien einer neuen Lebensanschauung.”  This volume was translated
       by Alban G. Widgery, and published by A. & C. Black in 1911 under the
       title of “Life’s Basis and Life’s Ideal.”

1907.  “Hauptprobleme der Religionsphilosophie der Gegenwart.” (First edition,
       1907; fourth and fifth editions (with additions), 1912.) The first
       edition was translated by W.R.  Boyce Gibson and Lucy Gibson under the
       title “Christianity and the New Idealism:  a Study in the Religious
       Philosophy of To-day.”  This is published by Harper & Brothers, London
       and New York.

1907.  “Philosophie der Geschichte.”  This is an essay in the volume entitled
       “Systematische Philosophie” in the series “Kultur der Gegenwart.”

1908.  “Sinn und Wert des Lebens.”  Third edition (with many additions), 1911. 
       The first edition was translated by W. R. Boyce Gibson and Lucy Gibson
       under the title of “The Meaning and Value of Life” (Publishers: 
       A. & C. Black).