Research, analyze, record, and interpret the past as recorded in sources, such as government and institutional records, newspapers and other periodicals, photographs, interviews, films, and unpublished manuscripts, such as personal diaries and letters.
Note: The mid-wage is the median wage. The average wage is the mean wage. The entry-level wage is equal to the average of the lower third of reported wages for the occupation. The wage range consists of the 10th and 90th percentiles; 80% of workers earn between this wage range, 10% earn less while 10% earn more.