Gladys Opal White has written:
'Simplied methods for consideration of income and resources' -- subject(s): Public welfare, United States, United States. Bureau of Family Services
'Improving home and family living among low-income families' -- subject(s): Social case work
Opal Stanley Whiteley has written: 'Opal Whiteley' 'The flower of stars'
Opal Lawrence Dilley has written: 'Pearls of yesteryear'
Opal M. Lewis has written: 'A vagabond's diary'
Opal London Cox has written: 'One branch of the Cox family of Virginia' 'Kinfolk'
Opal Smith has written: 'Monroe County, Ohio cemetery inscriptions' -- subject(s): Cemeteries, Genealogy, Inscriptions, Registers of births
Opal Gibson has written: 'Indoor relief' -- subject(s): History, Poor, Social conditions, Wandsworth and Clapham Union Workhouse
Joy Opal Irene Spoczynska has written: 'The aquarium' 'A zoo on your window-ledge' -- subject(s): Pets 'Inexpensive pets'
The types of Opal that i am familiar with are White Opal, Fire Opal, Boulder Opal, Black Opal, Crystal Opal, Light Opal, Doublet Opal, Triplet Opal, Common Opal, Synthetic Opal, and Immitation Opal.
Aola Vandergriff has written: 'Daughters of the opal skies' -- subject- s -: Protected DAISY
Opal D. David has written: 'Survey of the McIntire Public Library, Charlottesville, Virginia' -- subject(s): McIntire Public Library, Charlottesville, Virginia, Public libraries
white
Archibald Gordon has written: 'The opal sky of India' -- subject(s): Biography, Missionaries, Missions