Cases:
Palila v. Hawaii Dept. of Land & Natural Resources, 649 F.Supp 1070 (D. Hawaii 1986)
Palila v. Hawaii Dept. of Land & Natural Resources, 852 F.2d 1106 (1988)
Babbitt v. Sweet Home Chapter of Communities for a Great Oregon, 515 U.S. 687 (1995)
Babbitt v. Sweet Home Chapter -- Case brief

Articles:
Palila Factsheet
​"Patching Up Paradise" - National History, March 2004
Revised Recovery Plan for Hawaiian Forest Birds - U.S. Fish and Wildlife Service
Designation of Critical Habitat Flow Charts

CFRs:
50 CFR 17.1-17.8 - Harm and Harass
50 CFR 17.95 - Palila Critical Habitat Map
50 CFR 424.01-424.21 - Listing Endangered and Threatened Species and Designating Critical Habitat
50 CFR 424.1-424.21 - Critical Habitat