Allen, C. W. (1918). Local and regional anesthesia: With chapters on spinal, epidural, paravertebral, and parasacral analgesia, and on other applications of local and regional anesthesia to the surgery of the eye, ear, nose and throat, and to dental practice (2d ed.). Saunders.

Allen, Carroll Woolsey. Local and Regional Anesthesia: With Chapters on Spinal, Epidural, Paravertebral, and Parasacral Analgesia, and on Other Applications of Local and Regional Anesthesia to the Surgery of the Eye, Ear, Nose and Throat, and to Dental Practice. 2d ed. Philadelphia: Saunders, 1918.

Allen, Carroll Woolsey. Local and Regional Anesthesia: With Chapters on Spinal, Epidural, Paravertebral, and Parasacral Analgesia, and on Other Applications of Local and Regional Anesthesia to the Surgery of the Eye, Ear, Nose and Throat, and to Dental Practice. 2d ed. Saunders, 1918.