| | 080 | $a(045) |
|---|
| 100 | $aUrrutia Ochoa, Peio |
|---|
| 245 | $aAlas fascistas sobre Gernika $cPeio Urrutia Ochoa, Miguel José Rodríguez |
|---|
| 300 | $ap. 102 - 108 $bil. |
|---|
| 651 | $aEspaña $xHistoria $y1936-1939 (Guerra civil) $vOperaciones aéreas |
|---|
| 651 | $aGernika-Lumo $xHistoria $y1937 (Bombardeo) |
|---|
|