The copyright situation of this work is theoretically uncertain, because in the country of origin copyright lasts 100 years after the death of the author, and the date of the author's death is unknown. However, the date of creation of the work was over 150 years ago, and it is thus a reasonable assumption that the copyright has expired (see here for the community discussion). Do not use this template if the date of death of the author is known. Această lucrare este în domeniul public în Statele Unite deoarece a fost publicată înainte de 1 ianuarie 1929.

Acest fișier a fost identificat ca fiind liber de orice restricții cunoscute privind legea drepturilor de autor, inclusiv toate drepturile conexe sau înrudite.

This tag is designed for use where there may be a need to assert that any enhancements (eg brightness, contrast, colour-matching, sharpening) are in themselves insufficiently creative to generate a new copyright. It can be used where it is unknown whether any enhancements have been made, as well as when the enhancements are clear but insufficient. For known raw unenhanced scans you can use an appropriate {{PD-old}} tag instead. For usage, see Commons:When to use the PD-scan tag.