Authors: Glen, HF Perold, SM

Citation: Hf. Glen et Sm. Perold, Otto Heinrich Volk (1903-2000) - Obituary, BOTHALIA, 30(2), 2000, pp. 215-218

Authors: Balarin, MG Brink, E Glen, HF

Citation: Mg. Balarin et al., Itinerary and specimen list of M.A. Pocock's botanical collecting expedition in Zambia and Angola in 1925, BOTHALIA, 29(1), 1999, pp. 169-201

Authors: Glen, HF

Citation: Hf. Glen, FSA contributions 12: Plantaginaceae, BOTHALIA, 28(2), 1998, pp. 151-157

Authors: Glen, HF

Citation: Hf. Glen, David Spencer Hardy (1931-1998) - Obituary, BOTHALIA, 28(2), 1998, pp. 239-243