Tomes is a surname, derived from Thomas. It may refer to

Human capital and the rise and fall of families.
Child Endowments and the Quantity and Quality of Children
Conserved noncoding genomic sequences associated with a flowering-time quantitative trait locus in maize
Soybean transformation by microparticle bombardment
Stable transformation of plant cells
The effect of parental genotype on initiation of embryogenic callus from elite maize ( Zea mays L.) germplasm
The Family, Inheritance, and the Intergenerational Transmission of Inequality
Transfer of foreign genes into intact maize cells with high-velocity microprojectiles.
Human Capital and the Rise and Fall of Families
Guar seed beta-mannan synthase is a member of the cellulose synthase super gene family