The scope of this Checklist is limited: it covers only journal articles - not conference papers, not newsletters, not theses, not CIMMYT imprints. Thus it represents only part of CIMMYT's published output. And the search for material went back only to 1966, the date of the official establishment of the Center; so the compilation omits the very important work done by CIMMYT's antecedent organizations. To avoid inconsistencies, we have adopted tight rules of admissibility and apply them rigorously: -Only articles resulting from CIMMIT's research program -Only articles that were subject to an independent peer review Part A lists articles resulting from research carried out within CIMMYT or in cooperation with advanced research institutions. Typically, there is an author who is a member of CIMMYT's staff; often, however, the Center's involvement is represented by a visiting scientist or graduate student who reports work carried out while on assignment at CIMMYT. In a few cases, the whole work has been done by other scientists in other institutions but, if it was partly or wholly financed by CIMMYT, or if it was identified as part of a collaborative project with CIMMYT, then the resulting article is included as a product of the Center's overall program. Excluded are those articles that were written after the authors joined CIMMYT's staff but to report work carried out in their previous employments (not. therefore, part of CIMMYT's program): the exclusion remains even when 'CIMMYT' is given as the author's affiliation. To balance this, we have tried to find and include those articles describing CIMMYT work that were written after the authors had moved elsewhere. CIMMYT's mission stresses its cooperation with NARS: resulting papers are listed separately in Part B. Typically, there is an explicit statement that the article describes cooperative work, but this fact can also be inferred when CIMMYT and NARS staff are named as co-authors. However, even when CIMMYT, or one of its staff, is named in a paper that reports work at a cooperating institution, the paper is excluded from either Part of the present list (a) when the Center's only contribution has been to provide seed, or (b) when the staff member's role is limited to that of a post facto reviewer (or asesor intelectual). Also, articles announcing the release or registration of germplasm on new cultivars are not listed here but in a separate compilation.