Columbia subject headings:
Printers' marks, Russian.
Printers' marks--Russia (Federation)--Saint Petersburg.
Publishers and publishing--Russia (Federation)--Saint Petersburg.
Harvard subject headings:
Printers' marks, Russian.
Printers' marks--Russia--Saint Petersburg.
Publishers and publishing--Insignia--Russia (Federation)--Saint Petersburg.
Princeton subject headings:
Printers' marks--Russia (Federation)--Saint Petersburg--History.
Publishers and publishing--Russia (Federation)--Saint Petersburg--History.