− | Stewart, Camron Ralph. [[Genealogical Classification by Family Group Coding for Descent from Common Ancestors]]. 2 Volumes. Long Beach, California: Camron Ralph Stewart, 1986. | + | Stewart, Camron Ralph. ''[[Genealogical Classification by Family Group Coding for Descent from Common Ancestors]]''. 2 Volumes. Long Beach, California: Camron Ralph Stewart, 1986. |