一次文献 いちじぶんけん

ichiji bunken

1. Not primary source.; Not a first-hand account.

1. Was primary literature.; Was a primary source.

1. Primary sources in/with

1. Primary source; Firsthand account

1. Not primary literature.; Not a primary source.

1. Not primary literature.; Not a first-hand source.

1. It was a primary source.; It was original literature.

1. Primary source.; Firsthand account.

1. Not primary literature.; Not a primary source.

1. Wasn't a primary source.; Wasn't first-hand material.

1. Primary source, likely.; Probably a primary source.

1. It was not a primary source.; It wasn't original literature.

1. It wasn't a primary source.; It wasn't original literature.

1. Primary source, likely.; Original research, probably.

1. Was not primary literature.; Was not a primary source.

1. If it were a primary source; If it’s a primary source

1. If it is a primary source; If it were a primary source

1. If primary sources; When primary sources