1955 The independent 'Liberty' label was launched as subsidiary of Liberty Records, Inc., formed in LA by Si Waronker, Alvin Bennett and Theodore Keep (whose first names are immortalized in The Chipmunks - a release which brought the company back from the brink of bankruptcy in 1958).
1959 Liberty begins to distribute local labels through Liberty Records Sales Corp., soon acquiring and licensing several other US independent labels including Dolton Records, Blue Note, Minit, Blue Thumb Records and Aladdin.
1967 Liberty Records Limited established in the UK and Liberty Records GmbH in Germany..
1968 Liberty was bought by Transamerica Corporation - the parent company of United Artists Records. The union of Liberty and UA operated as a 'paired' entity in various markets as Liberty/UA. The companies at this time were Liberty/U.A. INC., Liberty/UA GmbH and Liberty/United Artists Records Ltd. - this may help to date the versions.
1971 Liberty was folded into United Artists.
1979 UA was taken over by EMI and the Liberty brand was revived in 1980. It traded as Liberty/United Records, Inc. for a short time.
1980 Start of the budget line with cat# LN 10XXX - see the bsnpubs - link for dating
1981 Liberty label relaunched in the UK through Liberty Records (UK) Ltd..
The Liberty brand exists as an EMI Group imprint around the world, used by various EMI operating companies for a variety of acts.
From circa 1977; Labelcode: LC 0378
The early labels had several variations till the label design changed in 1960, so possibly try to provide label images for your submissions.