Another database of names has been added to NaturalizationRecords.com website.
Surnames H to Z (excluding L, M, N) have been added to the existing surnames A to G in "Index to Special Passports 1829-1887" This is andIndex to names of those obtaining passports in all states in USA
See the index to all Passport indexes
Just look for the choice "Index to Special Passports 1829-1887"
Other passport indexes online at NaturalizationRecords.com are:
--Register of Passport Applications 1809-1817
--Index to Special Passports 1887-1894
--Register of Passports from 14 November 1834 to 1843