1981.
1981.
1982.
1982.
1983.
1983.
1984.
1984.
1985.
1985.
1986.
1986.
1997 restoration, advertising.
1997 restoration, advertising.
1st trip to Arabia, 1907, 2nd notebook.
1st trip to Arabia, 1907, 2nd notebook.
2nd trip to Arabia, 1909: 1st registration booklet.
2nd trip to Arabia, 1909: 1st registration booklet.
2nd trip to Arabia, 1909, 1st notebook.
2nd trip to Arabia, 1909, 1st notebook.