The reconstructed total solar irradiance
(TSI) since the Maunder minimum:
Krivova et al.
(2007), AA 467, 335-346 (please note that Fig. 13b was erroneously
placed insted of Fig. 12b, and here is the correct
Fig. 12b).
2 reconstructed records are available:
The reconstructed total (TSI; update) and spectral (SSI) solar irradiance since the Maunder minimum: Krivova et al. (2010), JGR doi:10.1029/2010JA015431
The reconstructed solar spectral UV irradiance at 115-400 nm between 1 Jan 1974 and 31 Dec 2007 Krivova et al. (2009), JGR doi:10.1029/2009JD012375
=====Composite of daily sunspot areas and PSI index calculated after cross-calibration of measurements by different observatories (May 9, 1874 - Dec. 31, 2008): Balmaceda et al. (2009), JGR doi:10.1029/2009JA014299
=====TSI for the Holocene Vieira et al. (2011), A&A doi:10.1051/0004-6361/201015843