Multiple series solutions are extracted from certain recently established integral convolutions (Chee-Seng [5]) pertaining to crack extension against an antisymmetric quasiuniform body force. Analyticity of the source mechanism plays the crucial role. The nonlinear integral equation consistent with a nonsingular crack-preceding reception is likewise converted to a series equation. Results inside and outside the crack domain are represented by, principally, infinite series of hypergeometric functions. The source mechanism contributes to their coefficients which generally depend on reception coordinates. An application is illustrated for a linear source distribution with analytic coefficients. If these are uniform, the infinite series solutions degenerate to finite combinations involving inverse trigonometric functions; moreover, under compatible conditions, the crack edge describes a hyperbolic locus. Another application concerns a body force with an exponentially diminishing intensity; it leads to a logarithmic locus for the crack edge. Finally, general criteria are determined for a zero initial edge-velocity.