The standard information on Sappho is easily accessed on Wikipedia: though the principal value of their (as usual) mealy-mouthed consensus view is the iteration of some necessary fats, and the hilarious beaux arts portraits of the poet, such as the amusingly lurid 1877 Charles Mengin image reproduced here. The Digital Sappho has the Greek Text. The link below will take you to the only uncensored English version of her works.