J.C. Bradford & Co.

1858年布拉德福德糖果中毒事件（英語：1858 Bradford sweets poisoning）是發生於英國布拉德福德的食物中毒個案。當年10月30日，一批意外摻有毒物三氧化二砷的糖果流入市面，不少人在進食後砷中毒，最終導致約20人死亡，200多人須接受中毒治療。

Capitalism, and the Economics of Growth and Prosperity, co-authored with Robert Litan and Carl J. Schramm, 2007 The Cost Disease: Why Computers get Cheaper

The Athlone Press. Watt, D. and Tillotson, J. (2001). "A spectrographic analysis of vowel fronting in Bradford English". English World-Wide 22:2, pp 269–302

Jef R.; Herrmann, Hans-Werner; Sredl, Michael J.; Bradford, David F.; Drabeck, Danielle; Blum, Michael J. Resurrecting an extinct species: Archival DNA

  Bradford, Richard H. Frederick Russell Burnham, the British Empire's American Scout. American Historical Society Annual Meeting. Washington, D.C. 1984