Haplotype Group reading references:

National Genographic Haplotype Group maps

The Genetic Legacy of Paleolithic Homo Sapiens Sapiens in Extant Europeans, (see classification Eu4?) Science Nov. 2000, Stanford University

NOTE:

    Haplotype Groups were re-classified by Family Tree DNA in March, 2011. 
This affected the following existing groups:

    R1b1b2 became    R1b1a2
    I2b          became     I2b1

    Haplotype Groups were re-classified by Family Tree DNA in May, 2008. 
This affected the following existing groups:

    R1b1c became    R1b1b2
    I1a       became     I1
    I1b       became     I
    I1c       became     I2b
    E3b1a  became   E1b1b1