His last images would appear to date from the end of the 1850s after which it is possible that his health prevented any further photographic activity.

All photographic activity must be conducted in accordance with the provisions of this Part.

He ended up his photographic activities in 1890.

Yet, for all his photographic activity, Callahan, at his own estimation, produced no more than half a dozen final images a year.

She is not known to have engaged in any photographic activity after 1905.

After this Skladanowsky returned to his former photographic activities including the production of flip books and further magic lantern shows.

The ski resort had recently spawned an arts center, which in the late 70's became an important locus of photographic activity.

But photographic activity in 1936 was not limited to documentary work, photojournalism and art.

Terrile's return to Genoa marks the beginning of an all-round photographic activity.

The foundation is mostly funded by his photographic activities.