1. Value of cutaneous sensitization tests in eczema and papular urticaria;Sidlick;Am. J. Dis. Child,1922
2. The relation of papular urticaria and prurigo mitis to allergy;Walzer;J. Allergy,1934
3. Papular urticaria;Hallam;Brit. J. Dermat,1927
4. Further observations on the etiology of papular urticaria;Hallam;Brit. J. Der-mat,1932
5. Urticaria papulosa;Corson;Arch. Pediat,1931