Sources, Acknowledgements and Partners:

Fields, Warren Carl 1936 −
"The life and works of Theodore von La Hache"
Thesis (Ph.D.) − University of Iowa, 1973

Fields, Warren C.
"Theodore von La Hache and Music in New Orleans"
in: "American Music", Volume 8, Nr 3, Autumn 1990

Scores and Illustrations:
The New Orleans Public Library, New Orleans
Library of Congress, Washington
Library of Congress, Washington DC
Duke University of North Carolina:
The Rare Book, Manuscript and Special Collections Library
Mr. Jerry Ripberger, Los Angeles

Musical performances by:
Men's Choral Society of St. Dionysius ("Goirke") from Tilburg
Mixed Choir of St. Dionysius ("Goirke") from Tilburg
Organist: Harry Swinkels
Mixed Choir "Gasgothe" from Tilburg
Organist: Harry Swinkels
General Musical Director: Jos Vingerhoets

Audio Registration Private Recordings: Krelis Swaans from Tilburg
and Wim van Gool from Tilburg

Scripts and Translations:
English: Hanneke de Kruijf-Van Dort
French: Jan Claveaux CMM
Spanish: Arthur Jansen, Bas van den Hout, Walter van Roessel, Margot van Hoof-Theunis
German: Joop Nabbe
Dutch: Jan Populiers

Webdesign: Theo Appeldoorn

Research: Jan Populiers

In cooperation with:
THE NETHERLANDS:
Mr. Martin Populiers, Tilburg/Goirle
Mr. Christiaan Kuyten, Tilburg/Goirle
Mr. Meuleman; Archive Brabant School of Music, Tilburg
Mr. Simeon Bodde, Archive Dutch Institution for Church Music, Utrecht
Mr. Van Berkel, Tilburg
Mr. Remigus Jozef Heesbeen †, Tilburg
Mr. Patrick Donders, Utrecht

BELGIUM:
Ms. A. Nenquin; Archive Belgian Center for Music Documentation, Brussels
Ms. Lisette Schoof; Archive Royal Library Albert I, Brussels

GERMANY:
Mr. Guido J. Joerg; Vereinigte Motorverlage, Stuttgart
Ms. C. Stade; Archive Stadt Dresden, Dresden
Mr. Matthias Liebich; Domkapellmeister Dresden Cathedral, Dresden

CANADA:
Ms. Carole Tousignant, Festival de Lanaudière, Lanaudière

INTERNET:
Mr. Tim de Brie; composers-classic-music.com

UNITED STATES OF AMERICA:
Mr. Joan Wetzel; PR Office New Orleans Baptist Theological Seminar, New Orleans
Family History Support of The Church of Jesus Christ of Latter-Day Saints, Salt Lake City, Utah