Your search Robert F. Gonsoulin, Sr., et al., Plaintiffs-appellants, v. Shell Oil Company, Defendant-appellee.no. 71-1689 Summary Calendar.**rule 18, 5 Cir.; See Isbell Enterprises, Inc. v. Citizens Casualty Company of New York et al., 5 Cir. 1970,431 F.2d 409 Part I did not match any document.