Herwig,第149–150頁. Herwig, Holger. "Luxury" Fleet: The Imperial German Navy 1888–1918. Amherst, New York: Humanity Books. 1998 [1980]. ISBN 978-1-57392-286-9. OCLC 57239454.
Herwig,第252頁. Herwig, Holger. "Luxury" Fleet: The Imperial German Navy 1888–1918. Amherst, New York: Humanity Books. 1998 [1980]. ISBN 978-1-57392-286-9. OCLC 57239454.
Herwig,第256頁. Herwig, Holger. "Luxury" Fleet: The Imperial German Navy 1888–1918. Amherst, New York: Humanity Books. 1998 [1980]. ISBN 978-1-57392-286-9. OCLC 57239454.
Herwig,第254–255頁. Herwig, Holger. "Luxury" Fleet: The Imperial German Navy 1888–1918. Amherst, New York: Humanity Books. 1998 [1980]. ISBN 978-1-57392-286-9. OCLC 57239454.
Herwig,第255頁. Herwig, Holger. "Luxury" Fleet: The Imperial German Navy 1888–1918. Amherst, New York: Humanity Books. 1998 [1980]. ISBN 978-1-57392-286-9. OCLC 57239454.