Converting paper ISO speed to film ISO speed...

I plan to build a 11"x14" pinhole camera... I will use photographic
paper (B&W) as negatives.

1. Is there a method for converting Paper ISO Speeds to Film ISO Speed?
For instance, if the manufacturer rates the speed of a paper as ISO
P300, what ISO whould I rate this paper when using it as a film?

2. I hope the reciprocity failure is less drastic in paper when compared
to film... Is there any useful reciprocity failure tables online (for
B&W papers)?

Thanks in advance,
Loris.

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Received on Fri Oct 8 06:58:55 2004