T. Hollowell

• Smithsonian plant collections, Guyana
• Checklist of the terrestrial vertebrates of the Guiana Shield
• Preliminary checklist of the plants of the Guiana Shield (Venezuela : Amazonas, Bolívar, Delta Amacuro ; Guyana ; Surinam ; French Guiana)
• Smithsonian plant collections, Guyana
• Smithsonian plant collections, Guyana