Items
- Radial Artery--anatomy & histology [1]
- Ranunculus [5]
- Raphanus [1]
- Rats--anatomy & histology [1]
- Recreation [14]
- Rectum--anatomy & histology [1]
- Rectus Abdominis--anatomy & histology [1]
- Red Cross [2]
- Red Sea [1]
- Referral and Consultation [1]
- Reihn, E. H. [1]
- Religion [2]
- Religion and Medicine [4]
- Research [2]
- Resins, Plant [10]
- Rest [1]
- Revell, Margaret R. [4]
- Reynolds, C. R. [2]
- Reynolds, F. P. [1]
- Rhamnus [1]
- Rhein, John H. W. (John Henry Wallace), 1869-1925 [1]
- Rheum [5]
- Rhododendron [2]
- Rhus [1]
- Ribes [2]
- Ribs--anatomy & histology [5]
- Richardson, George Henry [8]
- Ricinus [3]
- Rickets [1]
- Riesman, David, 1867-1940 [2]
- Rivers [11]
- Robinson, E. T. [1]
- Robinson, J. M. [5]
- Robinson, John [3]
- Rochus, Saint, approximately 1350-approximately 1380 [1]
- Rocky Mountains [13]
- Rodentia [1]
- Rodney, George [2]
- Rome [1]
- Rosa [6]
- Rosacea [1]
- Rosaceae [7]
- Rosenau, M. J. (Milton Joseph), 1869-1946 [4]
- Rosenberger, Randle C. [3]
- Rosmarinus [2]
- Rothrock, J. L. [2]
- Rubia [2]
- Rubiaceae [1]
- Rumex [5]
- Ruscus [2]
- Ruta [2]
- Rutaceae [2]