Complex sentence: Kenneth Rexroth's "The Love Poems of Marichiko" was also published; originally presented as a translation from the Japanese, they were later shown to have been a hoax, the poems being Rexroth's own work.
Split into simpler sentences: Kenneth Rexroth's "The Love Poems of Marichiko" was also published. Originally presented as a translation from the Japanese, they were later shown to have been a hoax--the poems were Rexroth's own work.