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Family membership references

• Donald C. Laycock and John A. Z'Graggen 1975
• Conrad, Robert J. and Ronald K. Lewis 1988
• Conrad, Robert J. and T. Wayne Dye 1975

Comments on family membership

Typological arguments are not sufficient to conclude a Leonard Schultze family with Papi Donald C. Laycock and John A. Z'Graggen 1975 . The lexical evidence does not show any conclusive genetic relationship either, be it inside or outside Leonard Schultze Conrad, Robert J. and T. Wayne Dye 1975 , Conrad, Robert J. and Ronald K. Lewis 1988 .

Comments on subclassification

Conrad, Robert J. and Ronald K. Lewis 1988