Number 3 in the list you quoted is independently published.

His data are used in presentations to travel industry groups and have not been independently published.

The independently published book sold about 2 million copies and is now in its 19th edition.

These three methods were published independently during a short period of time and their principle is identical.

Two years later a similar theory was published independently by Overton.

Significantly, it is the only truth commission report published independently of both the state and foreign foundations.

Though independently published, throughout its existence the magazine had close ties with the Japanese government.

Images from this series were published independently in 2007 as Monsoon.

Eventually, the Spectator was able to raise enough money to publish independently.

Borrowing money from friends to fund his work he managed to publish independently.