Grier, W. P. (1865). Printed Special Orders No. 33, To: Medical Cadet Robert O'Reilly From: William P. Grier, Assistant Surgeon & Medical Director, February 18, 1865.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGrier, William P. Printed Special Orders No. 33, To: Medical Cadet Robert O'Reilly From: William P. Grier, Assistant Surgeon & Medical Director, February 18, 1865. 1865.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGrier, William P. Printed Special Orders No. 33, To: Medical Cadet Robert O'Reilly From: William P. Grier, Assistant Surgeon & Medical Director, February 18, 1865. 1865.
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