Talk:Joseph F. Volker

Potential references

 * Obituary in Journal of Dental Research doi: 10.1177/00220345890680121501 - first page viewable free, rest behind a subscription wall
 * Obituary in Journal of Dental Research doi: 10.1177/00220345890680121501 - first page viewable free, rest behind a subscription wall
 * Obituary in Journal of Dental Research doi: 10.1177/00220345890680121501 - first page viewable free, rest behind a subscription wall