Portal:Optical Society of America
Works
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Some or all works listed in this portal are in the public domain in the United States because they were published before January 1, 1930.
The longest-living author of these works died in 1983, so these works are in the public domain in countries and areas where the copyright term is the author's life plus 41 years or less. These works may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
Public domainPublic domainfalsefalse