Index of Microfilm Available in the Reference Room

National Archives holdings include records on microfilm reels, microfiche, and a number of other micrographic formats. These records were either transferred to NARA by the originating agency in that form or converted by NARA for the convenience of preservation and reference of the original record.

• Census
  
  
• Military
  
  
• Passenger Arrivals
  
  
• Native Americans
  
  
• Naturalizations
  
  
• Federal Employees
  
  
• Freedmen's Bureau
  
  
• Land
  
  
• Territorial and Regional
  
  
• Other