holt people, places, and change : an introduction to world studies,
floor 4
sager, robert j.,brooks, alison s.,helgren, david m.
holt, rinehart and winston, austin, tex., ©2005
geography--study and teaching (middle school)
world geography today,
floor 4
sager, robert j,helgren, david m.
holt, rinehart and winston, new york, 1985
geography--study and teaching (secondary)
people, places, and change : an introduction to world studies,
floor 4
helgren, david m
holt, rinehart and winston, austin, ©2001
world history
world geography today,
floor 4
sager, robert j,helgren, david m
holt, rinehart and winston, austin [tx], ©2000
geography--study and teaching (secondary)
world geography today,
floor 4
sager, robert j,helgren, david m,holt, rinehart
holt, rinehart and winston, austin, tex., ©1995
geography--study and teaching (secondary)