B06   2006MNRAS.365.1220B Begum et al. 
B81   1981AJ.....86.1791B Bosma 
D00   2000A&AS..142..425D Drozdovsky & Karachentsev Cat. J/A+AS/142/425
F01   2001ApJ...553...47F Freedman et al. 
H01   2001ApJ...556..773H Hunter et al. 
H98   1998ApJ...495L..47H Hunter et al. 
K02   2002A&A...383..125K Karachentsev et al. 
K03   2003PASP..115..928K Kennicutt et al. 
K04   2004AJ....127.2031K Karachentsev et al.       Cat. J/AJ/127/2031
K98   1998ApJ...498..541K Kennicutt 
L02   2002AJ....124.2490L Leonard et al.     
L06   ................... Lee                       2006, PhD thesis (Univ. of Arizona)  
LEDA  ................... LEDA database             http://www.leda.univ-lyon.fr
M01   2001ApJ...559..243M Macri et al. 
M05   2005AJ....130..524M Muhle et al.     
M06   ................... Moustakas                 2006, PhD thesis (Univ. of Arizona)
NED   ................... NED database              http://ned.ipac.caltech.edu
O01   2001AJ....122.3070O Ott et al. 
O08   2008AJ....136.2761O Oh et al. 
P92   1992AJ....103.1841P Puche et al. 
S89   1989ApJ...347..875S Skillman et al. 
S94   1994ApJ...429..572S Storchi-Bergmann et al. 
T08   2008AJ....136.2872T Tamburro et al. 
T08   2008AJ....136.2720T Trachternach et al. 
T93   1993A&A...274..707T Tilanus & Allen 
Z94   1994ApJ...420...87Z Zaritsky et al. 
dB08  2008AJ....136.2648D de Blok et al. 
vflow ...................                           distances calculated from NED using Hubble flow distances (corrected for Virgo infall)