1. Primary Sources.
Primary sources are, simply put, firsthand accounts. These bring us as close as possible to the event, the subject, the original idea, or the findings of a scientific study. Some examples of primary sources are:
- Theses & dissertations
- Original works of art & literature
2. Secondary Sources.
A secondary source is anything that comments on, analyzes, or tackles a primary source. The information from the primary source is reviewed, organized, or interpreted, often with the help of other secondary sources. Some examples of secondary sources are:
- Critical reviews
3. Tertiary Sources.
Tertiary sources are sources that refer to a primary or secondary source. It gives an overview of the topic, but rarely contains original material. Some examples are:
Below are a few examples to help you understand the distinctions between the three types:
|Subject||Primary Source||Secondary Source||Tertiary Source|
Waze User Reviews
Documentary on the effects of sin tax law
Encyclopedia article on tobacco
Dictionary of wizarding words
Diary of Martial Law victim
Biography film about a family during Martial Law
List of missing persons or desaparecidos from the Martial Law period