Primary vs Secondary sources

I found a letter to one of my friends in the locker room after school the other day. I know it’s private, but I want to read it! What is the letter?

• Primary
• Secondary

An autobiography of President George Washington

• Primary Source

• Secondary Source

A biography about Abraham Lincoln

• Primary Source
• Secondary Source

The Declaration of Independence

• Secondary Source
• Primary Source

A map drawn by Christopher Columbus is a

• Primary Source
• Secondary Source

• Primary
• Secondary

a photograph

• primary source

• secondary source

a social studies text book

• primary source

• secondary source

a letter from a soldier in the Civil War

• primary source

• secondary source

the History Channel

• primary source

• secondary source