Several organizations and publications exist to support and promote the hobby of modeling military vehicles.

This procedure caused some confusion as no corresponding 1865 publication by Owen exists.

No complete publications exist for Bobrof's definite geology, just those with facts and some information.

But I don't believe that the second-tier publications could exist without the first tier.

Numerous publications existed at this time, mainly as vehicles for advertising and light fiction of varying merit.

Many more ephemeral publications have existed and continue to be produced.

African-focused publications have always existed on the financial fringe.

The publication existed from 1990 to 2007.

Prior to the publication of this work, no such publication existed.

Many extremely interesting publications on art currently only exist as a one-off draft.