I am looking for copies of GSM type approval reports for various models

Type Approval Reports are available from the authorities or companies
assigned by the authorities. I suggest you contact the following,
depending on the hardware or country you reside:

1. BABT Product Services (UK) - RF, EMC (http://www.babt.co.uk)
2. Criterion (formerly GSM approvals) (UK) - RF (http://www.criterionltd.com)
3. Delta Services (Denmark) - (http://www.delta.dk/default.htm)
4. EMCEC (Finland) - EMC (http://www.emcec.fi/n_e/Emcec.html)
5. ETL Semko - Safety, EMC (http://www.etlsemko.com)
6. Hursley EMC (UK) - EMC (http://www.hursley-emc.co.uk)
7. Intertek Testing Services (UK) - NEBS (http://www.etlsemko.co.uk)
8. Kema (Netherlands) - (http://www.kema.nl/live/ShowObject.html)
9. KTL (UK) - Safety (http://www.ktl.com)
10. MET Laboratories - Safety, NEBS (http://www.metlabs.com)
11. Nemko Ltd (UK) - (http://www.nemko.ltd.uk)
12. NTS - (http://www.efficient.com)
13. RFI (UK) - RF, EMC (http://www.rfi.co.uk)
14. Underwriters Lab - (http://www.ul.com)
15. TUV Rheinland North America - (http://www.us.tuv.com)
16. TUV Product Service Environment - (http://www.tuvglobal.com/frame.htm)
17. Southwest Research Associates - (http://www.southwestresearch.com)

If you are in the US, FCC holds a library of the reports.