Genre n-us-pa / Philadelphia (Pa.) / Learned institutions and societies / Science / Periodicals . Names america / american / leaves / order / none and 2553 more

Genre n-us-pa / Philadelphia (Pa.) / Learned institutions and societies / Science / Periodicals . Names american / paris / la / lea / life and 2556 more

Genre n-us-pa / Philadelphia (Pa.) / Learned institutions and societies / Science / Periodicals . Names sea / rock / american / order / called and 4830 more

Genre Entomology / Periodicals . Names thorax / apex / basal / american / coleoptera and 17298 more

Genre n-us-pa / Philadelphia (Pa.) / Learned institutions and societies / Science / Periodicals . Names plants / american / sea / area / type and 6095 more

Genre Science / Periodicals / Learned institutions and societies / Pennsylvania / Philadelphia and 1 more . Names american / par / paris / la / lea and 1990 more

Genre n-us-pa / Philadelphia (Pa.) / Learned institutions and societies / Science / Periodicals . Names area / american / virginia / order / sea and 2689 more

Genre n-us-pa / Philadelphia (Pa.) / Learned institutions and societies / Science / Periodicals . Names op / american / sea / oreodon / called and 3447 more

Genre Entomology / Periodicals . Names thorax / american / lepidoptera / apex / california and 12463 more

Genre Entomology / Periodicals . Names thorax / american / coleoptera / basal / apex and 16606 more