SECRETARY’S REPORT DANTE 
icals, and bulletins were received on exchange from other institutions. 
During the fiscal year the library cataloged 3,307 publications, and 
1,984 periodicals were recorded; 12,177 catalog cards were filed. ‘The 
library borrowed 1,385 books on interlibrary loan; the Library of 
Congress lent 1,333 books. 
The library is the depository for photographs of the works of art 
in the National Gallery of Art’s collections. A stock of reproduc- 
tions is maintained for use in research, for exchange with other in- 
stitutions, and for sale to interested individuals. Approximately 
6,300 photographs were received and processed in the library during 
the year. The library filled 1,148 orders for these photographs. 
Sales to the general public amounted to $1,195, covering about 1,600 
photographs. There were 303 permits for reproduction of 783 sub- 
jects processed in the library. 
INDEX OF AMERICAN DESIGN 
During the fiscal year the work of the Index continued as usual, 
under the direction of Dr. Erwin O. Christensen, curator. Twenty 
sets (1,020 slides) of color slides in 65 bookings were circulated 
throughout the country. Regular sets were lent for lecture and 
study purposes. Notes were completed for one additional set of 
slides on furniture. Three new lectures were completed on Index 
material, and 1,003 photographs of Index material were used for 
exhibition and study purposes, as well as for publicity, and purchase 
by the public. The photographic file of the Index material has been 
increased by 1,650 prints. Approximately 406 persons studied Index 
material for research purposes, and to gather material for publication 
and design. 
Dr. Christensen continued to participate in the orientation program 
of the USIA personnel. The card-file index of the Index renderings 
was completed last year and an inventory of all photographs was 
begun. The curator of the Index prepared a report on the completion 
of the Index. 
In all, 357 photographs of New England gravestone carvings, dating 
from 1653 to 1810, and 5 photographs of wood statues were given to 
the Gallery by Saul Ludwig of Montclair, N.J., and Mrs. Hugh 
De Witt of Stanford, Calif., respectively, for the Index of American 
Design. 
MAINTENANCE OF THE BUILDING AND GROUNDS 
The Gallery building, the mechanical equipment, and its grounds 
were maintained at the established standards throughout the year, 
under the direction of Ernest R. Feidler, administrator, and his 
staff. 
