Drawing of P4 by Charles Elcock as published in the article W. G. Wood-Martin, <i>The Rude Stone Monuments of Ireland (Continued).</i> The Journal of the Royal Historical and Archaeological Association of Ireland, Fourth Series, 7, no. 68/69 (1886): 539–95. Original caption:<br>Fig. 15.—General View of No. 4 Monument, Carrowmore, looking N.E. Extreme height, 5 feet.
Charles Elcock (1834–1910) (“C. Elcock” is named as author on p. 552, n. 1; <a rel="nofollow" class="external text" href="http://microscopist.net/ElcockC.html">biographical webpage at microscopist.net</a>)
1886
<a rel="nofollow" class="external text" href="https://archive.org/download/journal02irelgoog/journal02irelgoog.pdf">p. 551 of W. G. Wood-Martin, <i>The Rude Stone Monuments of Ireland (Continued).</i> The Journal of the Royal Historical and Archaeological Association of Ireland, Fourth Series, 7, no. 68/69 (1886): 539–95</a>; this image was extracted from the PDF (page number 643), the white background was made transparent, and the format was converted to PNG.