Eleven papers from a session held at the EAA conference in Cork, Ireland, in 2005. Contents: 1) Hoards from the Neolithic to the Metal Ages: Technical and Codified Practices - Introduction (Caroline Hamon and B??n??dicte Quilliec); 2) ??Traders?? hoards??. Reviewing the Relationship between Trade and Permanent Deposition: the Case of the Dutch Voorhout Hoard (David Fontijn); 3) The Symbolic Value of Grindingstones Hoards: Technical Properties of Neolithic Examples (Caroline Hamon); 4) Neolithic Depositions in the Northern Netherlands (Karsten Wentink and Annelou van Gijn); 5) Interpretation Elements of Hoards from the Late Bronze Age in Lorraine and Saar through Technical Studies (forming process and metal composition) (C??cile Veber); 6) Iberian Psycho. Deliberate Destruction in Bronze Age Gold Hoards of the Iberian Peninsula (Alicia Perea); 7) Voluntary Destructions of Objects in Middle and Late Bronze Age Hoards in France (Mar??va Gabillot and C??line Lagarde); 8) Use, Wear and Damage: Treatment of Bronze Swords before Deposition (B??n??dicte Quilliec); 9) Doing away with Dichotomies? Comparative Use-Wear Analysis of Early Bronze Age Axes from Scotland (Shaun Moyler); 10) Hoards and Flint Blades in Western France at the End of the Neolithic (Ewen Ihuel); 11) Other than Bronze: Substances and Incorporation in Danish Bronze Age Hoards (Steven Matthews).An important collection of papers taken from a session of the 2005 EAA in Cork. The contributors ask how far the functions of hoard deposits, and the codification of the arrangement of objects can be compared from one period to another.