Dennis Bohn. “Pro Audio Reference”. Audio Engineering Society. 2023年3月25日閲覧。
bbc.co.uk
news.bbc.co.uk
“Early stereo recordings restored”. BBC. (2008年). http://news.bbc.co.uk/2/hi/technology/7537782.stm2008年8月7日閲覧. "Blumlein lodged the patent for 'binaural sound' in 1931, in a paper that patented stereo records, stereo films, and also surround sound. He and his colleagues then made a series of experimental recordings and films to demonstrate the technology to see if there was any commercial interest from the fledgling film and audio industry."
brucelaing.com
afd.brucelaing.com
Bruce Laing, The Audio Fidelity Database, 2007. 同じタイトルがモノラルのレコードとステレオテープで以前リリースされていた。"New Releases", Billboard, Oct. 28, 1957, p. 12.