Columbia subject headings:
Harvard subject headings:
Architectural historians--Soviet Union--Biography.
Historic buildings--Conservation and restoration--Soviet Union.
Spegalʹskiĭ, I͡U. P. (I͡Uriĭ Pavlovich)
Princeton subject headings:
Architectural historians--Russia (Federation)--Biography.
Spegalʹskiĭ, I︠U︡. P. (I︠U︡riĭ Pavlovich)