Subject
- R.A.N. Research Laboratory -- History2
- R.A.S. Cat Club -- Periodicals2
- R.A.S. Kennel Club1
- R.B. Davies Industries -- Periodicals1
- R.B. Mining1
- R.B. Mining -- Photographs22
- R.C. Hacon (Firm) -- Photographs1
- R.Collie & Co -- History1
- R.D. Milns Antiquities Museum1
- R.E. Ginna Nuclear Power Plant (N.Y.)1
- R.E. Ross Trust -- Periodicals1
- R.G. LeTourneau Inc -- History1
- R.H. Gordon & Co2
- R.H. Lawrenson Pty. Ltd1
- R.J. Fletcher & Co -- Employees -- Photographs8
- R.J. Fletcher & Co -- Photographs8
- R.J. Fullwood & Bland (Firm) -- History1
- R.J. Gilbertson Pty Ltd -- History1
- R.J. Reynolds Industries -- History1
- R.K. Werkliedenverbond in Nederland1