FLOHR ROOT ELEVATOR FIG.1
CRYER ROOT ELEVATOR FIG.3A
SELDIN ROOT ELEVATOR FIG.4L
COLEMAN ROOT ELEVATOR FIG.1
COUPLAND ROOT ELEVATOR FIG.1 2MM
LINDO LEVIAN ROOT ELEVATOR FIG.1
HYLIN ROOT ELEVATOR FIG.1 3MM
ROOT ELEVATOR FIG.1
LECLUSE ROOT ELEVATOR FIG.1
W. F. BARRY ROOT ELEVATOR FIG.320
W. F. BARRY ROOT ELEVATOR FIG.322
WINTER ROOT ELEVATOR FIG.11L
WINTER ROOT ELEVATOR FIG.12L
WINTER ROOT ELEVATOR FIG.13L
CHOMPRET ROOT ELEVATOR FIG.1
HEIDEBRINK ROOT FRAGMENT ELEVATOR FIG.1
WEST ROOT FRAGMENT ELEVATOR FIG.1
