Weber Piano Company (English Wikipedia)

"Obituary. Albert Weber" (PDF). The New York Times. June 16, 1879. Retrieved March 15, 2013.
"The Late Albert Weber" (PDF). The New York Times. June 30, 1879. Retrieved March 15, 2013.
"Albert Weber's Estate" (PDF). The New York Times. May 13, 1880. Retrieved March 15, 2013.
"Albert Weber's Will" (PDF). The New York Times. July 9, 1879. Retrieved March 15, 2013.
"Court of Appeals Decisions" (PDF). The New York Times. February 24, 1884. Retrieved March 15, 2013.
"The Piano-Forte and Organ Makers" (PDF). The New York Times. December 23, 1874. Retrieved March 19, 2013.
"Musical Instruments. Excitement in the Piano-Forte and Organ Trade" (PDF). The New York Times. February 12, 1876. Retrieved March 19, 2013.
"Musical Instruments. Continued Excitement in the Piano-Forte and Organ Trade" (PDF). The New York Times. February 15, 1876. Retrieved March 19, 2013.
"Albert Weber's Imprudence" (PDF). The New York Times. September 17, 1883. Retrieved March 15, 2013.
"Albert Weber Obituary" (PDF). The New York Times. October 18, 1908. Retrieved March 15, 2013.
"Affairs of the Weber Estate" (PDF). The New York Times. January 11, 1884. Retrieved March 15, 2013.
"Albert Weber A Prisoner" (PDF). The New York Times. September 17, 1896. Retrieved March 15, 2013.
"Albert Weber and his debts" (PDF). The New York Times. January 25, 1894. Retrieved March 15, 2013.
"Albert Weber perhaps insane" (PDF). The New York Times. October 2, 1896. Retrieved March 19, 2013.
"Piano Trade Failures" (PDF). The New York Times. February 4, 1896. Retrieved March 15, 2013.

nytimes.com

"Alfring Ends Life in Dive Under Train". The New York Times. March 13, 1937. Retrieved March 15, 2013.

pianobuyer.com

Young Chang on Piano Buyer website
"Piano Brands – Piano Manufacturers – Young Chang". Piano Buyer, Fall 2012. Retrieved March 15, 2013.
"Piano Buyer Database". Piano Buyer. Retrieved March 14, 2013.

toews.com

"History of Pianos". Toews Music. Retrieved March 27, 2013.

weberpiano.com

"Weber History". weberpiano.com. Young Chang North America, Inc. Retrieved March 16, 2013.
"Weber Piano". Weber Piano Official Site. Retrieved March 14, 2013.

westegg.com

Friedman, S. Morgan. "The Inflation Calculator". Retrieved March 16, 2013.