Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a bird's feather with floral and geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Brother DAVID ROSENTHAL z''l -- To his family and community we pray Tanuchamo min hashamayim. May God in Heaven comfort you. The Principals, Teachers, Parents, Alumni, and Students of Magen David Yeshivah. Brooklyn, NY." Part of a series of 11 flags, each dedicated to one of the victims. Additional photograph shows the entire set of 11.

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a leaf with geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Handwritten card from a student at Goddard Middle School in Littleton, Co. Front cover features a quote attributed to the fictional Sesame Street character, Cookie Monster: "Sometimes me think, what is friend? And then me say, friend is someone to share the last cookie with." Illustration of a smiling face with a long nose and blond hair appears below. Signed: "Fernando." The inside reads: "Dear Congregation, I am sorry for your losses. We are here for you all the way from Colorado. Sincerely, Fernando Littleton, CO." Spelling errors corrected for clarity.

Typed Hebrew letter from a student at Hebrew Academy, a private Jewish day school in Montreal, Quebec. Translated into English, the letter reads: "Dear Rabbi from the Tree of Life Congregation, My name is Hannah [last name redacted]. I am a student at Hebrew Academy of Montreal. I am truly sorry about what happened to your holy synagogue. I hope that this will not happen again. I give [?] all your family and loved ones of your synagogue."

Card with the words of the Prayer for Peace handwritten in blank ink on a purple note card on the front and back. The Prayer for Peace is an eighteenth century Chasidic Jewish prayer adopted by liberal Jewish denominations in North America. The note concludes: "In loving memory of Rose Mallinger."

Floral tag from floral arrangement, which reads: "With Love from our Family to Yours [heart]." The note is written in black marker on rectangular piece of wrapping paper with brown and red stripes.

Handmade memorial card in pastel and ink on black paper. The card features a large Star of David, shaded in light and darker blue pastel, with an illuminated candle, in the center. Underneath the star, the card reads: "Never Forget." The names of the eleven October 27 attack victims appear in brown ink in the empty space around the star.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Don't Stop Believing." The back contains a handwritten note and a sticker with blue text reading: "Stronger Together." The stock signature: "From your friends at West Allegheny Middle School" appears in the lower center.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a mandala with floral motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Floral tag from floral arrangement sent by Bham. Handwritten note in black ink on printed tag with various flowers in the upper and lower left corners. The reverse is stamped with the contact information for Squirrel Hill Flower Shop.

19-paged saddle-stitched booklet. Includes note from current president, explaination of Reconstructionist Judaism, and history of Congregation Dor Hadash with reproduction of archival materials, Typed half-page booklet printed in color and staple-bound.

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The front cover features a large rose and reads: "Give thanks to the Lord, for he is good. His love endures forever. Psalm 136:1 (NIV)." The inside reads: "Blessings and prayers to aid you in healing and the love of God to embrace you and ease the pain. Sally [last name redacted]."

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Folded card on green paper. A faded peace sign appears on the front cover flap. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.