Lyric Powers (16pt Large Print Edition) - Paperbackby Robert Von Hallberg (Author) The authority of poetry varies from one period to another, from one culture to another. For Robert von Hallberg, the authority of lyric poetry has three sources: religious affirmation, the social institutions of those who speak the idioms from which particular poems are made, and the extraordinary cognition generated by the formal and musical resources of poems. Lyric Powers helps students, poets, and general readers to