BHFranz Boas and Herman Haeberlin 1927
ECEdward S. Curtis 1911
FBaFranz Boas 1925
FBbFranz Boas 1927
FRF. L. O. Roehrig 1870
GGaGeorge Gibbs 1853-1860
GGbGeorge Gibbs n.d.b
GGcGeorge Gibbs 1863
HHHoratio Hale 1846
HTHerman Haeberlin 1974
JHJohn P. Harrington 1942 (Emma Luscier, informant)
JHjpJohn P. Harrington 1942 (Joe Peter, informant)
JHljJohn P. Harrington 1942 (Lizzie Johnson, informant)
JHmcJohn P. Harrington 1942 (Minnie Case, informant)
JHgsJohn P. Harrington 1942 (George Sanders, informant)
JHssJohn P. Harrington 1942 (Sarah Scarborough, informant)
JTJames Teit 1907-1910
LYLillian Young (an Upper Chehalis speaker with some Cowlitz ancestry)
MəsímxEmma Northover Mesplie 1967, Elder and direct informant
MJaMelville Jacobs 1931
MJa-lcMelville Jacobs 1931 (Lewy Costima [Castama], informant)
MJbMelville Jacobs 1934
MJb-jyMelville Jacobs 1934 (Jim Yoke, informant)
MJb-lcMelville Jacobs 1934 (Lewy Costima [Castama], informant)
MJb-miMelville Jacobs 1934 (Mary Iley, informant)
MJb-siMelville Jacobs 1934 (Sam N. Iley, Jr., informant)
RLRobert G. Latham 1862
ScayídutLucy Northover James 1967, Elder and direct informant
SHSilas Heck
TAaThelma Adamson 1926-1927
TAa-gsThelma Adamson 1926-1927 (George Sanders, informant)
TAa-mdThelma Adamson 1926-1927 (Marion Davis, informant)
TAa-pbThelma Adamson 1926-1927 (Pike Benn, informant)
TAa-phThelma Adamson 1926-1927 (Peter Heck, informant)
TAbThelma Adamson 1934
TAb-fnThelma Adamson 1934 (Frances Northover, informant)
TAb-jcThelma Adamson 1934 (James Cheholts, informant)
TAb-lyThelma Adamson 1934 (Lucy Youckton, informant)
TAb-mcThelma Adamson 1934 (Minnie Case, informant)
TAb-miThelma Adamson 1934 (Mary Iley, informant)
TAb-ssThelma Adamson 1934 (Sophie Smith, informant)
UWaU. G. Warbass 1858
VRVerne F. Ray 1938