Carlo Tresca (left) and Bill Haywood, circa 1916
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external free" href="https://www.marxists.org/history/usa/pubs/isr/v17n04-oct-1916-ISR-riaz-ocr.pdf">https://www.marxists.org/history/usa/pubs/isr/v17n04-oct-1916-ISR-riaz-ocr.pdf</a> <i>International Socialist Review</i>, October 1916, Vol. XVII, No. 4, p. 205