Special Interest Autos (SIA) was published monthly starting in 1970 by Hemmings Motor News. SIA focused on collector cars from the 1920s to the 1980s. Content included histories of specific cars, technical aspects of these cars in laymen's terms, and interviews with stylists and engineers.
An index to SIA issues can be found HERE.
The publisher provided net paid circulation data to multiple periodical compendia from 1974 to 2002. Annual print production grew from 42,000 to 69,000 over this time period.
A total of 201 issues were printed from September, 1970 through June, 2004. All images are complete.