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The cataloged portions of the Nebraskaland photo collection are organized under multiple filing systems. This searchable index of film assets includes listings for photos catalogued using the BW, C, T, ONCS, and ProStock filing systems. Some of the photos in each of these systems have been digitized and can be found in the Merlin database.
BW Numbers: This collection consists of black and white film negatives, circa 1940-1969, and includes 9,131 records.
C Numbers: The photos in this system include black and white film negatives, many of which are copy negatives copied from color film transparencies, circa 1970-1989. This system is made up of 32,284 records.
T Numbers: This naming system refers to color film transparencies, circa 1960-1989, and includes 22,095 records.
NP Numbers: The collection of "North Platte Numbered Negatives" includes black and white film negatives created in the late 1960s. Many were taken for magazine stories authored by Mike Knepper and published throughout 1969. According to the July 1969 issue, Knepper was the "outstate representative for the Information and Tourism Division of the Nebraska Game and Parks Commission," working out of North Platte (38). There are 643 records in this collection. Approximately 50 of the NP Numbered Negatives were transferred into the BW Number system and are cross-referenced in the photo search index.
ONCS Numbers: This collection contains the Outdoor NEBRASKAland Color Slide series, circa 1964-1966. These images were the first to appear in the monthly color spreads showcased in Outdoor NEBRASKAland as part of the re-branding of the magazine beginning March 1964. The slides were advertised for sale to the public. This collection is made up of 336 records.
ProStock: This subject-based naming system contains mostly color film transparencies from 1957-2011. Also included in the ProStock system are black and white film negatives and color film transparencies migrated from earlier filing systems. To find migrated files, try searching "Aerni." ProStock contains 64,010 records. Read more about the ProStock system and view the ProStock subject heading index here.