The Defense Finance and Accounting Service (DFAS) military pay tables have current and historical pay tables including Reserve pay, special pays, and allowances.
The DFAS website has the following regarding the military pay tables it provides:
"The following pay tables are provided for reference use only and not for official purposes. The effective dates of certain pay rates may differ from dates for various allotments and other pay entitlements.
Pay tables are presented in .pdf (Acrobat) format."