* For Sale by Superintendent of Documents. Paper, 20c. (for subscription price see note above).
Notes:
NOTE.—In spite of information published in recent Internal revenue bulletins to the effect that the digests were to be quarterly, this number covers the semiannual period which follows the last digest numbered 6.
Availability:
* For Sale by Superintendent of Documents. Paper, 20c. (for subscription price see note above).