Resumen

• The item has no copyright markings. Type at lower right reads, "COUNTRY OF ORIGIN AND PRODUCTION U.S.A."
• United States Copyright Office page 2 "Visually Perceptible Copies The notice for visually perceptible copies should contain all three elements described below. They should appear together or in close proximity on the copies.

1 The symbol © (letter C in a circle); the word “Copyright”; or the abbreviation “Copr.”

2 The year of first publication. If the work is a derivative work or a compilation incorporating previously published material, the year date of first publication of the derivative work or compilation is sufficient. Examples of derivative works are translations or dramatizations; an example of a compilation is an anthology. The year may be omitted when a pictorial, graphic, or sculptural work, with accompanying textual matter, if any, is reproduced in or on greeting cards, postcards, stationery, jewelry, dolls, toys, or useful articles.

3 The name of the copyright owner, an abbreviation by which the name can be recognized, or a generally known alternative designation of owner.1 Example © 2007 Jane Doe."

Licencia

Esta obra está en el dominio público en los Estados Unidos porque fue publicada (o registrada con la Oficina del Derecho de Autor de los E.E. U.U.) antes del 1 de enero de 1929. Los trabajos en el dominio público deben haber expirado su copyright en los Estados Unidos y en el país de origen para ser subidos a Commons. Si el trabajo no es un trabajo estadounidense, el archivo debe tener una marca de derechos de autor adicional indicando el estatus del copyright del país de origen.