1971

• Miller, L.D., Nicolay, S.S. 1971: Two new Charaxinae from Panama and the Canal zone (Nymphalidae). Bulletin of the Allyn Museum 1: 1–5. Full article (PDF) Reference page. 

• Nicolay, S., 1971. A new genus of hairstreak from Central and South America (Lycaenidae, Theclinae). Journal of the Lepidopterists' Society 25 (Suppl.1): 1-39. BHL text/figs/plates. Reference page. 

1977

• Nicolay, S., 1977. Studies in the genera of American hairstreaks 4. A new genus of hairstreak from Central and South America (Lycaenidae: Eumaeini). Bulletin of the Allyn Museum 44: 1–24, 20 figs, (10 May). PDF. Reference page. 

1979

• Nicolay, 1979. Studies in the genera of American Hairstreaks. 5. A review of the Hubnerian genus Parrhasius and description of a new genus Michaelus (Lycaenidae: Eumaeini). Bulletin of the Allyn Museum 56: 1–52. Reference page. 

1980

• Nicolay 1980. The genus Chlorostrymon and a new subspecies of C. simaethis. Journal of the Lepidopterists' Society 34(2): 253–256. full article (PDF). Reference page. 

• Nicolay 1980a. Descriptions of new Hesperiidae from Panama and Ecuador (Pyrginae and Hesperiinae). Bulletin of the Allyn Museum 59: 1–17. full article (PDF). Reference page. 

2005

• Nicolay, S. S., Robbins, R.K. 2005. Five new dry-area South American Strymon species (Lycaenidae: Theclinae) and their biogeographic significance. Journal of Research on the Lepidoptera 38: 35–49. full article (pdf). Reference page.