ftp://public.asimov.net/pub/apple_II/documentation/hardware/misc/General_IC_Parts_Data_Sheets.zip
ftp://public.asimov.net/pub/apple_II/documentation/hardware/misc/General_IC_Parts_Data_Sheets_vol_2.zip
ftp://public.asimov.net/pub/apple_II/documentation/hardware/misc/General_IC_Parts_Data_Sheets_vol_3.zip
ftp://public.asimov.net/pub/apple_II/documentation/hardware/misc/General_IC_Parts_Data_Sheets_vol_4.zip
