Available data consist of both verbal and nonverbal materials.

Individual-level census records are released to the public after a period of 72 years.

In contrast to other research approaches, the use of available data is better suited to the study of properties and changes in social structure.

Research using available data is usually more difficult to replicate than other approaches to social research.

Because available data often provide approximate indicators of concepts, it is especially important to use multiple indicators when possible.

Two strengths of available data, especially the written record, are that it is likely to be complete and unbiased.

Analytical history involves the integration of social theory and history.

Like descriptive historians, analytical historians tend to rely on primary sources.

There may be more than one valid interpretation of a historical event.

The goal of content analysis is to arrive at a textured qualitative description of written communications.