An extensively annotated historical bibliography of dental bibliographies. Also published in Arthur D. Black, ed., Index of the periodical dental literature.... for 1916-1920 (Chicago, 1922) pp. xiv-liii. Digital facsimile from Google Books at this link.

On p. 29 Weber claims to have compiled a bibliography of over 12,500 books, dissertations, and pamphlets concerning dentistry from 1490 to 1921. This huge multi-volume catalogue remained unpublished, and existed, he stated, in only a single manuscript copy.