Here is a list of all documented files with brief descriptions:

cs.h
driverlib.h
eusci_a_spi.h
eusci_a_uart.h
eusci_b_i2c.h
eusci_b_spi.h
flashctl.h
gpio.h
mainpage_MSP430i2xx.h
mpy.h
pmm.h
sd24.h
sfr.h
timer_a.h
tlv.h
wdt.h