Columbia subject headings:
DeLittle, Robert D.
R.D. DeLittle (Firm)
R.D. DeLittle (Firm)--History.
Wood types (Printing)--England--York--History.
Wood types (Printing)--Specimens.
Harvard subject headings:
DeLittle, Robert D.
R.D. DeLittle (Firm)
Wood types (Printing)
Princeton subject headings: