Companies, etc. Phonographic Copyright (p) – Atlantic Recording Corporation Copyright (c) – Atlantic Recording Corporation Recorded At – Headley Grange Recorded At – Island Studios Recorded At – Sunset Sound Manufactured By – Record Service Alsdorf Credits Producer – Jimmy Page Notes Originally released in 1971, commonly referred to as “Led Zeppelin IV”, to follow in sequence with their previous three releases, but no actual title appears on the release. Ⓟ1971 Atlantic Recording Corporation Ⓒ1971 Atlantic Recording Corporation. Manufactured in Germany by Record Service GmbH, Alsdorf. Pressé en Allemagne par Record Service GmbH, Alsdorf. Packaged in a standard jewel case with a black tray. 8 page booklet. No Barcode, Price Code "WE 835" on the tray inlay. The disc has no SID Codes. Barcode: none Label Code: LC 0121 Matrix / Runout: 250008 @ 2 Price Code: WE 835 Rights Society: GEMA / BIEM