Library of Congress. Copyright Office, Copyright Law of the United States of America
“ A "pseudonymous work" is a work on the copies or phonorecords of which the author is identified under a fictitious name."Publication" is the distribution of copies or phonorecords of a work to the public by sale or other transfer of ownership, or by rental, lease, or lending. The offering to distribute copies or phonorecords to a group of persons for purposes of further distribution, public performance, or public display, constitutes publication. A public performance or display of a work does not of itself constitute publication. ”
