BioStor
 | Lothar Zirngiebl (1902-1973) Bibliographie S M Blank (1989) Spixiana 12: 303-306 |
 | Systematic studies on Rileya Ashmead, 1888, with description of a new species from California, USA (Hymenoptera, Eurytomidae) M Doganlar (1992) Spixiana 15: 275-279 |
 | Synopsis of the Genera and Suprageneric Taxa of Euphorbiaceae Grady L Webster (1994) Annals of the Missouri Botanical Garden 81: 33-144 |
 | Polychelidae from the Eastern Atlantic and the Arabian Sea (Crustacea, Decapoda, Reptantia, Polychelidae) L Tiefenbacher (1995) Spixiana 18: 1-9 |
 | Revision of neotropic Phasmatodea: The tribe Anisomorphini sensu Bradley & Galil 1977: (Insecta, Phasmatodea, Pseudophasmatidae) Oskar V Conle and Frank H Hennemann (2002) Spixiana Supplement 28: 1-141 |