Robinson, W., & Parsons, A. (1903). The wild garden: Or the Naturalization and Natural Grouping of Hardy Exotic Plants with a Chapter on the Garden of British wild flowers (5th ed.). John Murray.

Robinson, W., and Alfred Parsons. The Wild Garden: Or the Naturalization and Natural Grouping of Hardy Exotic Plants with a Chapter on the Garden of British Wild Flowers. 5th ed. London: John Murray, 1903.

Robinson, W., and Alfred Parsons. The Wild Garden: Or the Naturalization and Natural Grouping of Hardy Exotic Plants with a Chapter on the Garden of British Wild Flowers. 5th ed. John Murray, 1903.