Robert Barnhart
发表
C. L. Barnhart,
S. Steinmetz,
Robert Barnhart,
1983
.
S. Steinmetz,
Robert Barnhart,
1986
.
Sol Steinmetz,
Robert K. Barnhart,
S. Steinmetz,
2001
.
Clarence Lewis Barnhart,
Sol Steinmetz,
Robert K. Barnhart,
1990
.
Clarence Lewis Barnhart,
Robert K. Barnhart,
C. L. Barnhart,
1963
.
Robert Barnhart,
1995
.
John Algeo,
Sol Steinmetz,
Robert K. Barnhart,
1989
.
Robert Barnhart,
2005
.
Robert Barnhart,
2012
.
C. L. Barnhart,
Robert Barnhart,
Sol Steinmetz,
1973
.