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Authors
- R. J. Strasenburgh Co.1
- Ratheau, Jacques.1
- Reed & Carnrick.1
- Reese, John J. (John James), 1818-18921
- Rencontres internationales de recherches et de technologies medicales et pharmaceutiques 1989 : Montpellier, France)1
- Rhode, R. E. (Rudolph E.), 1860- author1
- Rice, Justus B., author1
- Richardson Drug Company (St. Louis, Mo.)1
- Richardson, R. E., author1
- Robbins, Daniel C., author1
- Roberts, Seth W., author1
- Robinson, William J. (William Josephus), 1867-1936, compiler1
- Rothschild Bros. & Co. (New York, N.Y.)1
- Rous, Charlotte.1
- Rust Bro's & Bird.1