arXiv:1704.07782 [pdf, ps, other]
    Mass and p-factor of the type II Cepheid OGLE-LMC-T2CEP-098 in a binary system 

https://arxiv.org/abs/1704.03903
   Absolute Magnitudes of Seismic Red Clumps in the Kepler Field and SAGA: 
          the age dependency of the distance scale 

https://arxiv.org/abs/1703.10616
   The Carnegie-Chicago Hubble Program. III. The Distance to NGC 1365 via the Tip of the Red Giant Branch


https://arxiv.org/pdf/1609.05175.pdf
   A test of Gaia Data Release 1 parallaxes: implications for the local distance scale

http://adsabs.harvard.edu/abs/1974ApJ...194..543G
   An unbound universe, by Gott et al., is a nice summary of the 
   field around 1974.  The value of H0 varies from 30 < H0 < 120 
   in their estimation.  This is a good reference point.



Distance ladder mentions:
https://ui.adsabs.harvard.edu/#abs/1980ApJ...238..458M/abstract


Refsdal papers:
http://adsabs.harvard.edu/abs/2016ApJ...822...78G
http://adsabs.harvard.edu/abs/2016ApJ...820...50R
http://adsabs.harvard.edu/abs/2016ApJ...819L...8K
http://adsabs.harvard.edu/abs/2016ApJ...817...60T
http://adsabs.harvard.edu/abs/2013ApJ...768..166J