Bibliography of Hayes, R. M., by subject:

•	Republic Pictures Corporation -- Catalogs (1)
•	Amazon.com -- Entertainment -- Movies -- Reference (1)
•	Amazon.com -- Reference -- Publishing & Books -- Bibliographies & Indexes (1)
•	Radar -- Interference (1)
•	Business cycles -- Mathematical models (1)
•	Australia -- Economic conditions (1)
•	Wide-screen processes (Cinematography) -- History (1)
•	Bookkeeping (1)
•	Motion picture serials -- United States -- Catalogs (1)
•	Sanitary engineering -- Safety measures (1)
•	3-D films -- History (1)
•	Strategic planning -- Congresses (1)
•	Millimeter waves (1)
•	Problem solving -- Congresses (1)
•	Management -- Congresses (1)
•	Amazon.com -- Entertainment -- Movies -- General (1)